#include "xfs_rtalloc.h"
#include "xfs_error.h"
#include "xfs_itable.h"
+#include "xfs_fsops.h"
#include "xfs_rw.h"
#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_vnodeops.h"
#include "xfs_vfsops.h"
#include "xfs_version.h"
+#include "xfs_log_priv.h"
+#include "xfs_trans_priv.h"
+#include "xfs_filestream.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_trace.h"
+#include "xfs_extfree_item.h"
+#include "xfs_mru_cache.h"
+#include "xfs_inode_item.h"
#include <linux/namei.h>
#include <linux/init.h>
#include <linux/writeback.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
+#include <linux/parser.h>
static struct quotactl_ops xfs_quotactl_operations;
static struct super_operations xfs_super_operations;
{
struct xfs_mount_args *args;
- args = kmem_zalloc(sizeof(struct xfs_mount_args), KM_SLEEP);
+ args = kzalloc(sizeof(struct xfs_mount_args), GFP_KERNEL);
+ if (!args)
+ return NULL;
+
args->logbufs = args->logbufsize = -1;
strncpy(args->fsname, sb->s_id, MAXNAMELEN);
return args;
}
+#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
+#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
+#define MNTOPT_LOGDEV "logdev" /* log device */
+#define MNTOPT_RTDEV "rtdev" /* realtime I/O device */
+#define MNTOPT_BIOSIZE "biosize" /* log2 of preferred buffered io size */
+#define MNTOPT_WSYNC "wsync" /* safe-mode nfs compatible mount */
+#define MNTOPT_INO64 "ino64" /* force inodes into 64-bit range */
+#define MNTOPT_NOALIGN "noalign" /* turn off stripe alignment */
+#define MNTOPT_SWALLOC "swalloc" /* turn on stripe width allocation */
+#define MNTOPT_SUNIT "sunit" /* data volume stripe unit */
+#define MNTOPT_SWIDTH "swidth" /* data volume stripe width */
+#define MNTOPT_NOUUID "nouuid" /* ignore filesystem UUID */
+#define MNTOPT_MTPT "mtpt" /* filesystem mount point */
+#define MNTOPT_GRPID "grpid" /* group-ID from parent directory */
+#define MNTOPT_NOGRPID "nogrpid" /* group-ID from current process */
+#define MNTOPT_BSDGROUPS "bsdgroups" /* group-ID from parent directory */
+#define MNTOPT_SYSVGROUPS "sysvgroups" /* group-ID from current process */
+#define MNTOPT_ALLOCSIZE "allocsize" /* preferred allocation size */
+#define MNTOPT_NORECOVERY "norecovery" /* don't run XFS recovery */
+#define MNTOPT_BARRIER "barrier" /* use writer barriers for log write and
+ * unwritten extent conversion */
+#define MNTOPT_NOBARRIER "nobarrier" /* .. disable */
+#define MNTOPT_OSYNCISOSYNC "osyncisosync" /* o_sync is REALLY o_sync */
+#define MNTOPT_64BITINODE "inode64" /* inodes can be allocated anywhere */
+#define MNTOPT_IKEEP "ikeep" /* do not free empty inode clusters */
+#define MNTOPT_NOIKEEP "noikeep" /* free empty inode clusters */
+#define MNTOPT_LARGEIO "largeio" /* report large I/O sizes in stat() */
+#define MNTOPT_NOLARGEIO "nolargeio" /* do not report large I/O sizes
+ * in stat(). */
+#define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */
+#define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */
+#define MNTOPT_FILESTREAM "filestreams" /* use filestreams allocator */
+#define MNTOPT_QUOTA "quota" /* disk quotas (user) */
+#define MNTOPT_NOQUOTA "noquota" /* no quotas */
+#define MNTOPT_USRQUOTA "usrquota" /* user quota enabled */
+#define MNTOPT_GRPQUOTA "grpquota" /* group quota enabled */
+#define MNTOPT_PRJQUOTA "prjquota" /* project quota enabled */
+#define MNTOPT_UQUOTA "uquota" /* user quota (IRIX variant) */
+#define MNTOPT_GQUOTA "gquota" /* group quota (IRIX variant) */
+#define MNTOPT_PQUOTA "pquota" /* project quota (IRIX variant) */
+#define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */
+#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
+#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
+#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */
+#define MNTOPT_DMAPI "dmapi" /* DMI enabled (DMAPI / XDSM) */
+#define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */
+#define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */
+
+/*
+ * Table driven mount option parser.
+ *
+ * Currently only used for remount, but it will be used for mount
+ * in the future, too.
+ */
+enum {
+ Opt_barrier, Opt_nobarrier, Opt_err
+};
+
+static match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_err, NULL}
+};
+
+
+STATIC unsigned long
+suffix_strtoul(char *s, char **endp, unsigned int base)
+{
+ int last, shift_left_factor = 0;
+ char *value = s;
+
+ last = strlen(value) - 1;
+ if (value[last] == 'K' || value[last] == 'k') {
+ shift_left_factor = 10;
+ value[last] = '\0';
+ }
+ if (value[last] == 'M' || value[last] == 'm') {
+ shift_left_factor = 20;
+ value[last] = '\0';
+ }
+ if (value[last] == 'G' || value[last] == 'g') {
+ shift_left_factor = 30;
+ value[last] = '\0';
+ }
+
+ return simple_strtoul((const char *)s, endp, base) << shift_left_factor;
+}
+
+STATIC int
+xfs_parseargs(
+ struct xfs_mount *mp,
+ char *options,
+ struct xfs_mount_args *args,
+ int update)
+{
+ char *this_char, *value, *eov;
+ int dsunit, dswidth, vol_dsunit, vol_dswidth;
+ int iosize;
+ int dmapi_implies_ikeep = 1;
+
+ args->flags |= XFSMNT_BARRIER;
+ args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
+
+ if (!options)
+ goto done;
+
+ iosize = dsunit = dswidth = vol_dsunit = vol_dswidth = 0;
+
+ while ((this_char = strsep(&options, ",")) != NULL) {
+ if (!*this_char)
+ continue;
+ if ((value = strchr(this_char, '=')) != NULL)
+ *value++ = 0;
+
+ if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ args->logbufs = simple_strtoul(value, &eov, 10);
+ } else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ args->logbufsize = suffix_strtoul(value, &eov, 10);
+ } else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ strncpy(args->logname, value, MAXNAMELEN);
+ } else if (!strcmp(this_char, MNTOPT_MTPT)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ strncpy(args->mtpt, value, MAXNAMELEN);
+ } else if (!strcmp(this_char, MNTOPT_RTDEV)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ strncpy(args->rtname, value, MAXNAMELEN);
+ } else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ iosize = simple_strtoul(value, &eov, 10);
+ args->flags |= XFSMNT_IOSIZE;
+ args->iosizelog = (uint8_t) iosize;
+ } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ iosize = suffix_strtoul(value, &eov, 10);
+ args->flags |= XFSMNT_IOSIZE;
+ args->iosizelog = ffs(iosize) - 1;
+ } else if (!strcmp(this_char, MNTOPT_GRPID) ||
+ !strcmp(this_char, MNTOPT_BSDGROUPS)) {
+ mp->m_flags |= XFS_MOUNT_GRPID;
+ } else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
+ !strcmp(this_char, MNTOPT_SYSVGROUPS)) {
+ mp->m_flags &= ~XFS_MOUNT_GRPID;
+ } else if (!strcmp(this_char, MNTOPT_WSYNC)) {
+ args->flags |= XFSMNT_WSYNC;
+ } else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) {
+ args->flags |= XFSMNT_OSYNCISOSYNC;
+ } else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
+ args->flags |= XFSMNT_NORECOVERY;
+ } else if (!strcmp(this_char, MNTOPT_INO64)) {
+ args->flags |= XFSMNT_INO64;
+#if !XFS_BIG_INUMS
+ cmn_err(CE_WARN,
+ "XFS: %s option not allowed on this system",
+ this_char);
+ return EINVAL;
+#endif
+ } else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
+ args->flags |= XFSMNT_NOALIGN;
+ } else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
+ args->flags |= XFSMNT_SWALLOC;
+ } else if (!strcmp(this_char, MNTOPT_SUNIT)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ dsunit = simple_strtoul(value, &eov, 10);
+ } else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
+ if (!value || !*value) {
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
+ this_char);
+ return EINVAL;
+ }
+ dswidth = simple_strtoul(value, &eov, 10);
+ } else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
+ args->flags &= ~XFSMNT_32BITINODES;
+#if !XFS_BIG_INUMS
+ cmn_err(CE_WARN,
+ "XFS: %s option not allowed on this system",
+ this_char);
+ return EINVAL;
+#endif
+ } else if (!strcmp(this_char, MNTOPT_NOUUID)) {
+ args->flags |= XFSMNT_NOUUID;
+ } else if (!strcmp(this_char, MNTOPT_BARRIER)) {
+ args->flags |= XFSMNT_BARRIER;
+ } else if (!strcmp(this_char, MNTOPT_NOBARRIER)) {
+ args->flags &= ~XFSMNT_BARRIER;
+ } else if (!strcmp(this_char, MNTOPT_IKEEP)) {
+ args->flags |= XFSMNT_IKEEP;
+ } else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
+ dmapi_implies_ikeep = 0;
+ args->flags &= ~XFSMNT_IKEEP;
+ } else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
+ args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE;
+ } else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
+ args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
+ } else if (!strcmp(this_char, MNTOPT_ATTR2)) {
+ args->flags |= XFSMNT_ATTR2;
+ } else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
+ args->flags &= ~XFSMNT_ATTR2;
+ args->flags |= XFSMNT_NOATTR2;
+ } else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
+ args->flags2 |= XFSMNT2_FILESTREAMS;
+ } else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
+ args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA);
+ args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA);
+ } else if (!strcmp(this_char, MNTOPT_QUOTA) ||
+ !strcmp(this_char, MNTOPT_UQUOTA) ||
+ !strcmp(this_char, MNTOPT_USRQUOTA)) {
+ args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
+ !strcmp(this_char, MNTOPT_UQUOTANOENF)) {
+ args->flags |= XFSMNT_UQUOTA;
+ args->flags &= ~XFSMNT_UQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
+ !strcmp(this_char, MNTOPT_PRJQUOTA)) {
+ args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
+ args->flags |= XFSMNT_PQUOTA;
+ args->flags &= ~XFSMNT_PQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
+ !strcmp(this_char, MNTOPT_GRPQUOTA)) {
+ args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
+ args->flags |= XFSMNT_GQUOTA;
+ args->flags &= ~XFSMNT_GQUOTAENF;
+ } else if (!strcmp(this_char, MNTOPT_DMAPI)) {
+ args->flags |= XFSMNT_DMAPI;
+ } else if (!strcmp(this_char, MNTOPT_XDSM)) {
+ args->flags |= XFSMNT_DMAPI;
+ } else if (!strcmp(this_char, MNTOPT_DMI)) {
+ args->flags |= XFSMNT_DMAPI;
+ } else if (!strcmp(this_char, "ihashsize")) {
+ cmn_err(CE_WARN,
+ "XFS: ihashsize no longer used, option is deprecated.");
+ } else if (!strcmp(this_char, "osyncisdsync")) {
+ /* no-op, this is now the default */
+ cmn_err(CE_WARN,
+ "XFS: osyncisdsync is now the default, option is deprecated.");
+ } else if (!strcmp(this_char, "irixsgid")) {
+ cmn_err(CE_WARN,
+ "XFS: irixsgid is now a sysctl(2) variable, option is deprecated.");
+ } else {
+ cmn_err(CE_WARN,
+ "XFS: unknown mount option [%s].", this_char);
+ return EINVAL;
+ }
+ }
+
+ if (args->flags & XFSMNT_NORECOVERY) {
+ if ((mp->m_flags & XFS_MOUNT_RDONLY) == 0) {
+ cmn_err(CE_WARN,
+ "XFS: no-recovery mounts must be read-only.");
+ return EINVAL;
+ }
+ }
+
+ if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) {
+ cmn_err(CE_WARN,
+ "XFS: sunit and swidth options incompatible with the noalign option");
+ return EINVAL;
+ }
+
+ if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
+ cmn_err(CE_WARN,
+ "XFS: cannot mount with both project and group quota");
+ return EINVAL;
+ }
+
+ if ((args->flags & XFSMNT_DMAPI) && *args->mtpt == '\0') {
+ printk("XFS: %s option needs the mount point option as well\n",
+ MNTOPT_DMAPI);
+ return EINVAL;
+ }
+
+ if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
+ cmn_err(CE_WARN,
+ "XFS: sunit and swidth must be specified together");
+ return EINVAL;
+ }
+
+ if (dsunit && (dswidth % dsunit != 0)) {
+ cmn_err(CE_WARN,
+ "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)",
+ dswidth, dsunit);
+ return EINVAL;
+ }
+
+ /*
+ * Applications using DMI filesystems often expect the
+ * inode generation number to be monotonically increasing.
+ * If we delete inode chunks we break this assumption, so
+ * keep unused inode chunks on disk for DMI filesystems
+ * until we come up with a better solution.
+ * Note that if "ikeep" or "noikeep" mount options are
+ * supplied, then they are honored.
+ */
+ if ((args->flags & XFSMNT_DMAPI) && dmapi_implies_ikeep)
+ args->flags |= XFSMNT_IKEEP;
+
+ if ((args->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
+ if (dsunit) {
+ args->sunit = dsunit;
+ args->flags |= XFSMNT_RETERR;
+ } else {
+ args->sunit = vol_dsunit;
+ }
+ dswidth ? (args->swidth = dswidth) :
+ (args->swidth = vol_dswidth);
+ } else {
+ args->sunit = args->swidth = 0;
+ }
+
+done:
+ if (args->flags & XFSMNT_32BITINODES)
+ mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
+ if (args->flags2)
+ args->flags |= XFSMNT_FLAGS2;
+ return 0;
+}
+
+struct proc_xfs_info {
+ int flag;
+ char *str;
+};
+
+STATIC int
+xfs_showargs(
+ struct xfs_mount *mp,
+ struct seq_file *m)
+{
+ static struct proc_xfs_info xfs_info_set[] = {
+ /* the few simple ones we can get from the mount struct */
+ { XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP },
+ { XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
+ { XFS_MOUNT_INO64, "," MNTOPT_INO64 },
+ { XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
+ { XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
+ { XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
+ { XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY },
+ { XFS_MOUNT_OSYNCISOSYNC, "," MNTOPT_OSYNCISOSYNC },
+ { XFS_MOUNT_ATTR2, "," MNTOPT_ATTR2 },
+ { XFS_MOUNT_FILESTREAMS, "," MNTOPT_FILESTREAM },
+ { XFS_MOUNT_DMAPI, "," MNTOPT_DMAPI },
+ { XFS_MOUNT_GRPID, "," MNTOPT_GRPID },
+ { 0, NULL }
+ };
+ static struct proc_xfs_info xfs_info_unset[] = {
+ /* the few simple ones we can get from the mount struct */
+ { XFS_MOUNT_COMPAT_IOSIZE, "," MNTOPT_LARGEIO },
+ { XFS_MOUNT_BARRIER, "," MNTOPT_NOBARRIER },
+ { XFS_MOUNT_SMALL_INUMS, "," MNTOPT_64BITINODE },
+ { 0, NULL }
+ };
+ struct proc_xfs_info *xfs_infop;
+
+ for (xfs_infop = xfs_info_set; xfs_infop->flag; xfs_infop++) {
+ if (mp->m_flags & xfs_infop->flag)
+ seq_puts(m, xfs_infop->str);
+ }
+ for (xfs_infop = xfs_info_unset; xfs_infop->flag; xfs_infop++) {
+ if (!(mp->m_flags & xfs_infop->flag))
+ seq_puts(m, xfs_infop->str);
+ }
+
+ if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
+ seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk",
+ (int)(1 << mp->m_writeio_log) >> 10);
+
+ if (mp->m_logbufs > 0)
+ seq_printf(m, "," MNTOPT_LOGBUFS "=%d", mp->m_logbufs);
+ if (mp->m_logbsize > 0)
+ seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10);
+
+ if (mp->m_logname)
+ seq_printf(m, "," MNTOPT_LOGDEV "=%s", mp->m_logname);
+ if (mp->m_rtname)
+ seq_printf(m, "," MNTOPT_RTDEV "=%s", mp->m_rtname);
+
+ if (mp->m_dalign > 0)
+ seq_printf(m, "," MNTOPT_SUNIT "=%d",
+ (int)XFS_FSB_TO_BB(mp, mp->m_dalign));
+ if (mp->m_swidth > 0)
+ seq_printf(m, "," MNTOPT_SWIDTH "=%d",
+ (int)XFS_FSB_TO_BB(mp, mp->m_swidth));
+
+ if (mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD))
+ seq_puts(m, "," MNTOPT_USRQUOTA);
+ else if (mp->m_qflags & XFS_UQUOTA_ACCT)
+ seq_puts(m, "," MNTOPT_UQUOTANOENF);
+
+ if (mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))
+ seq_puts(m, "," MNTOPT_PRJQUOTA);
+ else if (mp->m_qflags & XFS_PQUOTA_ACCT)
+ seq_puts(m, "," MNTOPT_PQUOTANOENF);
+
+ if (mp->m_qflags & (XFS_GQUOTA_ACCT|XFS_OQUOTA_ENFD))
+ seq_puts(m, "," MNTOPT_GRPQUOTA);
+ else if (mp->m_qflags & XFS_GQUOTA_ACCT)
+ seq_puts(m, "," MNTOPT_GQUOTANOENF);
+
+ if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
+ seq_puts(m, "," MNTOPT_NOQUOTA);
+
+ return 0;
+}
__uint64_t
xfs_max_file_offset(
unsigned int blockshift)
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
-STATIC_INLINE void
-xfs_set_inodeops(
- struct inode *inode)
-{
- switch (inode->i_mode & S_IFMT) {
- case S_IFREG:
- inode->i_op = &xfs_inode_operations;
- inode->i_fop = &xfs_file_operations;
- inode->i_mapping->a_ops = &xfs_address_space_operations;
- break;
- case S_IFDIR:
- inode->i_op = &xfs_dir_inode_operations;
- inode->i_fop = &xfs_dir_file_operations;
- break;
- case S_IFLNK:
- inode->i_op = &xfs_symlink_inode_operations;
- if (inode->i_blocks)
- inode->i_mapping->a_ops = &xfs_address_space_operations;
- break;
- default:
- inode->i_op = &xfs_inode_operations;
- init_special_inode(inode, inode->i_mode, inode->i_rdev);
- break;
- }
-}
-
-STATIC_INLINE void
-xfs_revalidate_inode(
- xfs_mount_t *mp,
- bhv_vnode_t *vp,
- xfs_inode_t *ip)
-{
- struct inode *inode = vn_to_inode(vp);
-
- inode->i_mode = ip->i_d.di_mode;
- inode->i_nlink = ip->i_d.di_nlink;
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
-
- switch (inode->i_mode & S_IFMT) {
- case S_IFBLK:
- case S_IFCHR:
- inode->i_rdev =
- MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
- sysv_minor(ip->i_df.if_u2.if_rdev));
- break;
- default:
- inode->i_rdev = 0;
- break;
- }
-
- inode->i_generation = ip->i_d.di_gen;
- i_size_write(inode, ip->i_d.di_size);
- inode->i_blocks =
- XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
- inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
- inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
- inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
- inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
- inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
- inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
- if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
- if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
- inode->i_flags &= ~S_APPEND;
- if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
- inode->i_flags |= S_SYNC;
- else
- inode->i_flags &= ~S_SYNC;
- if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
- xfs_iflags_clear(ip, XFS_IMODIFIED);
-}
-
-void
-xfs_initialize_vnode(
- struct xfs_mount *mp,
- bhv_vnode_t *vp,
- struct xfs_inode *ip)
-{
- struct inode *inode = vn_to_inode(vp);
-
- if (!ip->i_vnode) {
- ip->i_vnode = vp;
- inode->i_private = ip;
- }
-
- /*
- * We need to set the ops vectors, and unlock the inode, but if
- * we have been called during the new inode create process, it is
- * too early to fill in the Linux inode. We will get called a
- * second time once the inode is properly set up, and then we can
- * finish our work.
- */
- if (ip->i_d.di_mode != 0 && (inode->i_state & I_NEW)) {
- xfs_revalidate_inode(mp, vp, ip);
- xfs_set_inodeops(inode);
-
- xfs_iflags_clear(ip, XFS_INEW);
- barrier();
-
- unlock_new_inode(inode);
- }
-}
-
int
xfs_blkdev_get(
xfs_mount_t *mp,
return;
}
- if (mp->m_ddev_targp->bt_bdev->bd_disk->queue->ordered ==
- QUEUE_ORDERED_NONE) {
- xfs_fs_cmn_err(CE_NOTE, mp,
- "Disabling barriers, not supported by the underlying device");
- mp->m_flags &= ~XFS_MOUNT_BARRIER;
- return;
- }
-
if (xfs_readonly_buftarg(mp->m_ddev_targp)) {
xfs_fs_cmn_err(CE_NOTE, mp,
"Disabling barriers, underlying device is readonly");
blkdev_issue_flush(buftarg->bt_bdev, NULL);
}
-STATIC struct inode *
-xfs_fs_alloc_inode(
- struct super_block *sb)
+STATIC void
+xfs_close_devices(
+ struct xfs_mount *mp)
{
- bhv_vnode_t *vp;
+ if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
+ struct block_device *logdev = mp->m_logdev_targp->bt_bdev;
+ xfs_free_buftarg(mp->m_logdev_targp);
+ xfs_blkdev_put(logdev);
+ }
+ if (mp->m_rtdev_targp) {
+ struct block_device *rtdev = mp->m_rtdev_targp->bt_bdev;
+ xfs_free_buftarg(mp->m_rtdev_targp);
+ xfs_blkdev_put(rtdev);
+ }
+ xfs_free_buftarg(mp->m_ddev_targp);
+}
- vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP);
- if (unlikely(!vp))
- return NULL;
- return vn_to_inode(vp);
+/*
+ * The file system configurations are:
+ * (1) device (partition) with data and internal log
+ * (2) logical volume with data and log subvolumes.
+ * (3) logical volume with data, log, and realtime subvolumes.
+ *
+ * We only have to handle opening the log and realtime volumes here if
+ * they are present. The data subvolume has already been opened by
+ * get_sb_bdev() and is stored in sb->s_bdev.
+ */
+STATIC int
+xfs_open_devices(
+ struct xfs_mount *mp,
+ struct xfs_mount_args *args)
+{
+ struct block_device *ddev = mp->m_super->s_bdev;
+ struct block_device *logdev = NULL, *rtdev = NULL;
+ int error;
+
+ /*
+ * Open real time and log devices - order is important.
+ */
+ if (args->logname[0]) {
+ error = xfs_blkdev_get(mp, args->logname, &logdev);
+ if (error)
+ goto out;
+ }
+
+ if (args->rtname[0]) {
+ error = xfs_blkdev_get(mp, args->rtname, &rtdev);
+ if (error)
+ goto out_close_logdev;
+
+ if (rtdev == ddev || rtdev == logdev) {
+ cmn_err(CE_WARN,
+ "XFS: Cannot mount filesystem with identical rtdev and ddev/logdev.");
+ error = EINVAL;
+ goto out_close_rtdev;
+ }
+ }
+
+ /*
+ * Setup xfs_mount buffer target pointers
+ */
+ error = ENOMEM;
+ mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0);
+ if (!mp->m_ddev_targp)
+ goto out_close_rtdev;
+
+ if (rtdev) {
+ mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1);
+ if (!mp->m_rtdev_targp)
+ goto out_free_ddev_targ;
+ }
+
+ if (logdev && logdev != ddev) {
+ mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1);
+ if (!mp->m_logdev_targp)
+ goto out_free_rtdev_targ;
+ } else {
+ mp->m_logdev_targp = mp->m_ddev_targp;
+ }
+
+ return 0;
+
+ out_free_rtdev_targ:
+ if (mp->m_rtdev_targp)
+ xfs_free_buftarg(mp->m_rtdev_targp);
+ out_free_ddev_targ:
+ xfs_free_buftarg(mp->m_ddev_targp);
+ out_close_rtdev:
+ if (rtdev)
+ xfs_blkdev_put(rtdev);
+ out_close_logdev:
+ if (logdev && logdev != ddev)
+ xfs_blkdev_put(logdev);
+ out:
+ return error;
}
-STATIC void
-xfs_fs_destroy_inode(
- struct inode *inode)
+/*
+ * Setup xfs_mount buffer target pointers based on superblock
+ */
+STATIC int
+xfs_setup_devices(
+ struct xfs_mount *mp)
{
- kmem_zone_free(xfs_vnode_zone, vn_from_inode(inode));
+ int error;
+
+ error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize,
+ mp->m_sb.sb_sectsize);
+ if (error)
+ return error;
+
+ if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
+ unsigned int log_sector_size = BBSIZE;
+
+ if (xfs_sb_version_hassector(&mp->m_sb))
+ log_sector_size = mp->m_sb.sb_logsectsize;
+ error = xfs_setsize_buftarg(mp->m_logdev_targp,
+ mp->m_sb.sb_blocksize,
+ log_sector_size);
+ if (error)
+ return error;
+ }
+ if (mp->m_rtdev_targp) {
+ error = xfs_setsize_buftarg(mp->m_rtdev_targp,
+ mp->m_sb.sb_blocksize,
+ mp->m_sb.sb_sectsize);
+ if (error)
+ return error;
+ }
+
+ return 0;
}
-STATIC void
-xfs_fs_inode_init_once(
- kmem_zone_t *zonep,
- void *vnode)
+/*
+ * XFS AIL push thread support
+ */
+void
+xfsaild_wakeup(
+ xfs_mount_t *mp,
+ xfs_lsn_t threshold_lsn)
{
- inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
+ mp->m_ail.xa_target = threshold_lsn;
+ wake_up_process(mp->m_ail.xa_task);
}
-STATIC int
-xfs_init_zones(void)
+int
+xfsaild(
+ void *data)
{
- xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode",
- KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
- KM_ZONE_SPREAD,
- xfs_fs_inode_init_once);
- if (!xfs_vnode_zone)
- goto out;
+ xfs_mount_t *mp = (xfs_mount_t *)data;
+ xfs_lsn_t last_pushed_lsn = 0;
+ long tout = 0;
- xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
- if (!xfs_ioend_zone)
- goto out_destroy_vnode_zone;
+ while (!kthread_should_stop()) {
+ if (tout)
+ schedule_timeout_interruptible(msecs_to_jiffies(tout));
+ tout = 1000;
+
+ /* swsusp */
+ try_to_freeze();
+
+ ASSERT(mp->m_log);
+ if (XFS_FORCED_SHUTDOWN(mp))
+ continue;
+
+ tout = xfsaild_push(mp, &last_pushed_lsn);
+ }
- xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
- xfs_ioend_zone);
- if (!xfs_ioend_pool)
- goto out_free_ioend_zone;
return 0;
+} /* xfsaild */
- out_free_ioend_zone:
- kmem_zone_destroy(xfs_ioend_zone);
- out_destroy_vnode_zone:
- kmem_zone_destroy(xfs_vnode_zone);
- out:
- return -ENOMEM;
+int
+xfsaild_start(
+ xfs_mount_t *mp)
+{
+ mp->m_ail.xa_target = 0;
+ mp->m_ail.xa_task = kthread_run(xfsaild, mp, "xfsaild");
+ if (IS_ERR(mp->m_ail.xa_task))
+ return -PTR_ERR(mp->m_ail.xa_task);
+ return 0;
+}
+
+void
+xfsaild_stop(
+ xfs_mount_t *mp)
+{
+ kthread_stop(mp->m_ail.xa_task);
+}
+
+
+
+STATIC struct inode *
+xfs_fs_alloc_inode(
+ struct super_block *sb)
+{
+ return kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP);
}
STATIC void
-xfs_destroy_zones(void)
+xfs_fs_destroy_inode(
+ struct inode *inode)
{
- mempool_destroy(xfs_ioend_pool);
- kmem_zone_destroy(xfs_vnode_zone);
- kmem_zone_destroy(xfs_ioend_zone);
+ kmem_zone_free(xfs_vnode_zone, inode);
+}
+
+STATIC void
+xfs_fs_inode_init_once(
+ void *vnode)
+{
+ inode_init_once((struct inode *)vnode);
}
/*
struct inode *inode,
int sync)
{
- int error = 0, flags = FLUSH_INODE;
+ int error = 0;
+ int flags = 0;
- vn_trace_entry(XFS_I(inode), __FUNCTION__,
- (inst_t *)__return_address);
+ xfs_itrace_entry(XFS_I(inode));
if (sync) {
filemap_fdatawait(inode->i_mapping);
flags |= FLUSH_SYNC;
* find an inode with di_mode == 0 but without IGET_CREATE set.
*/
if (ip) {
- vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address);
-
+ xfs_itrace_entry(ip);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
XFS_STATS_INC(vn_reclaim);
xfs_inactive(ip);
xfs_iflags_clear(ip, XFS_IMODIFIED);
if (xfs_reclaim(ip))
- panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, inode);
+ panic("%s: cannot reclaim 0x%p\n", __func__, inode);
}
ASSERT(XFS_I(inode) == NULL);
xfs_flush_inode(
xfs_inode_t *ip)
{
- struct inode *inode = ip->i_vnode;
+ struct inode *inode = VFS_I(ip);
igrab(inode);
xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inode_work);
xfs_flush_device(
xfs_inode_t *ip)
{
- struct inode *inode = vn_to_inode(XFS_ITOV(ip));
+ struct inode *inode = VFS_I(ip);
igrab(inode);
xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_device_work);
int error;
if (!(mp->m_flags & XFS_MOUNT_RDONLY))
- error = xfs_sync(mp, SYNC_FSDATA | SYNC_BDFLUSH | SYNC_ATTR |
- SYNC_REFCACHE | SYNC_SUPER);
+ error = xfs_sync(mp, SYNC_FSDATA | SYNC_BDFLUSH | SYNC_ATTR);
mp->m_sync_seq++;
wake_up(&mp->m_wait_single_sync_task);
}
list_del(&work->w_list);
if (work == &mp->m_sync_work)
continue;
- kmem_free(work, sizeof(struct bhv_vfs_sync_work));
+ kmem_free(work);
}
}
return 0;
}
+STATIC void
+xfs_free_fsname(
+ struct xfs_mount *mp)
+{
+ kfree(mp->m_fsname);
+ kfree(mp->m_rtname);
+ kfree(mp->m_logname);
+}
+
STATIC void
xfs_fs_put_super(
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
+ struct xfs_inode *rip = mp->m_rootip;
+ int unmount_event_flags = 0;
int error;
kthread_stop(mp->m_sync_task);
xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
- error = xfs_unmount(mp, 0, NULL);
- if (error)
- printk("XFS: unmount got error=%d\n", error);
+
+#ifdef HAVE_DMAPI
+ if (mp->m_flags & XFS_MOUNT_DMAPI) {
+ unmount_event_flags =
+ (mp->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ?
+ 0 : DM_FLAGS_UNWANTED;
+ /*
+ * Ignore error from dmapi here, first unmount is not allowed
+ * to fail anyway, and second we wouldn't want to fail a
+ * unmount because of dmapi.
+ */
+ XFS_SEND_PREUNMOUNT(mp, rip, DM_RIGHT_NULL, rip, DM_RIGHT_NULL,
+ NULL, NULL, 0, 0, unmount_event_flags);
+ }
+#endif
+
+ /*
+ * Blow away any referenced inode in the filestreams cache.
+ * This can and will cause log traffic as inodes go inactive
+ * here.
+ */
+ xfs_filestream_unmount(mp);
+
+ XFS_bflush(mp->m_ddev_targp);
+ error = xfs_unmount_flush(mp, 0);
+ WARN_ON(error);
+
+ /*
+ * If we're forcing a shutdown, typically because of a media error,
+ * we want to make sure we invalidate dirty pages that belong to
+ * referenced vnodes as well.
+ */
+ if (XFS_FORCED_SHUTDOWN(mp)) {
+ error = xfs_sync(mp, SYNC_WAIT | SYNC_CLOSE);
+ ASSERT(error != EFSCORRUPTED);
+ }
+
+ if (mp->m_flags & XFS_MOUNT_DMAPI) {
+ XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
+ unmount_event_flags);
+ }
+
+ xfs_unmountfs(mp);
+ xfs_freesb(mp);
+ xfs_icsb_destroy_counters(mp);
+ xfs_close_devices(mp);
+ xfs_qmops_put(mp);
+ xfs_dmops_put(mp);
+ xfs_free_fsname(mp);
+ kfree(mp);
}
STATIC void
struct dentry *dentry,
struct kstatfs *statp)
{
- return -xfs_statvfs(XFS_M(dentry->d_sb), statp,
- vn_from_inode(dentry->d_inode));
+ struct xfs_mount *mp = XFS_M(dentry->d_sb);
+ xfs_sb_t *sbp = &mp->m_sb;
+ __uint64_t fakeinos, id;
+ xfs_extlen_t lsize;
+
+ statp->f_type = XFS_SB_MAGIC;
+ statp->f_namelen = MAXNAMELEN - 1;
+
+ id = huge_encode_dev(mp->m_ddev_targp->bt_dev);
+ statp->f_fsid.val[0] = (u32)id;
+ statp->f_fsid.val[1] = (u32)(id >> 32);
+
+ xfs_icsb_sync_counters(mp, XFS_ICSB_LAZY_COUNT);
+
+ spin_lock(&mp->m_sb_lock);
+ statp->f_bsize = sbp->sb_blocksize;
+ lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0;
+ statp->f_blocks = sbp->sb_dblocks - lsize;
+ statp->f_bfree = statp->f_bavail =
+ sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
+ fakeinos = statp->f_bfree << sbp->sb_inopblog;
+#if XFS_BIG_INUMS
+ fakeinos += mp->m_inoadd;
+#endif
+ statp->f_files =
+ MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
+ if (mp->m_maxicount)
+#if XFS_BIG_INUMS
+ if (!mp->m_inoadd)
+#endif
+ statp->f_files = min_t(typeof(statp->f_files),
+ statp->f_files,
+ mp->m_maxicount);
+ statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
+ spin_unlock(&mp->m_sb_lock);
+
+ XFS_QM_DQSTATVFS(XFS_I(dentry->d_inode), statp);
+ return 0;
}
STATIC int
char *options)
{
struct xfs_mount *mp = XFS_M(sb);
- struct xfs_mount_args *args = xfs_args_allocate(sb, 0);
- int error;
+ substring_t args[MAX_OPT_ARGS];
+ char *p;
+
+ while ((p = strsep(&options, ",")) != NULL) {
+ int token;
+
+ if (!*p)
+ continue;
+
+ token = match_token(p, tokens, args);
+ switch (token) {
+ case Opt_barrier:
+ mp->m_flags |= XFS_MOUNT_BARRIER;
+
+ /*
+ * Test if barriers are actually working if we can,
+ * else delay this check until the filesystem is
+ * marked writeable.
+ */
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY))
+ xfs_mountfs_check_barriers(mp);
+ break;
+ case Opt_nobarrier:
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+ break;
+ default:
+ printk(KERN_INFO
+ "XFS: mount option \"%s\" not supported for remount\n", p);
+ return -EINVAL;
+ }
+ }
- error = xfs_parseargs(mp, options, args, 1);
- if (!error)
- error = xfs_mntupdate(mp, flags, args);
- kmem_free(args, sizeof(*args));
- return -error;
+ /* rw/ro -> rw */
+ if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
+ mp->m_flags &= ~XFS_MOUNT_RDONLY;
+ if (mp->m_flags & XFS_MOUNT_BARRIER)
+ xfs_mountfs_check_barriers(mp);
+ }
+
+ /* rw -> ro */
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
+ xfs_filestream_flush(mp);
+ xfs_sync(mp, SYNC_DATA_QUIESCE);
+ xfs_attr_quiesce(mp);
+ mp->m_flags |= XFS_MOUNT_RDONLY;
+ }
+
+ return 0;
}
+/*
+ * Second stage of a freeze. The data is already frozen so we only
+ * need to take care of themetadata. Once that's done write a dummy
+ * record to dirty the log in case of a crash while frozen.
+ */
STATIC void
xfs_fs_lockfs(
struct super_block *sb)
{
- xfs_freeze(XFS_M(sb));
+ struct xfs_mount *mp = XFS_M(sb);
+
+ xfs_attr_quiesce(mp);
+ xfs_fs_log_dummy(mp);
}
STATIC int
Q_XSETPQLIM), id, (caddr_t)fdq);
}
+/*
+ * This function fills in xfs_mount_t fields based on mount args.
+ * Note: the superblock has _not_ yet been read in.
+ */
+STATIC int
+xfs_start_flags(
+ struct xfs_mount_args *ap,
+ struct xfs_mount *mp)
+{
+ int error;
+
+ /* Values are in BBs */
+ if ((ap->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
+ /*
+ * At this point the superblock has not been read
+ * in, therefore we do not know the block size.
+ * Before the mount call ends we will convert
+ * these to FSBs.
+ */
+ mp->m_dalign = ap->sunit;
+ mp->m_swidth = ap->swidth;
+ }
+
+ if (ap->logbufs != -1 &&
+ ap->logbufs != 0 &&
+ (ap->logbufs < XLOG_MIN_ICLOGS ||
+ ap->logbufs > XLOG_MAX_ICLOGS)) {
+ cmn_err(CE_WARN,
+ "XFS: invalid logbufs value: %d [not %d-%d]",
+ ap->logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS);
+ return XFS_ERROR(EINVAL);
+ }
+ mp->m_logbufs = ap->logbufs;
+ if (ap->logbufsize != -1 &&
+ ap->logbufsize != 0 &&
+ (ap->logbufsize < XLOG_MIN_RECORD_BSIZE ||
+ ap->logbufsize > XLOG_MAX_RECORD_BSIZE ||
+ !is_power_of_2(ap->logbufsize))) {
+ cmn_err(CE_WARN,
+ "XFS: invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]",
+ ap->logbufsize);
+ return XFS_ERROR(EINVAL);
+ }
+
+ error = ENOMEM;
+
+ mp->m_logbsize = ap->logbufsize;
+ mp->m_fsname_len = strlen(ap->fsname) + 1;
+
+ mp->m_fsname = kstrdup(ap->fsname, GFP_KERNEL);
+ if (!mp->m_fsname)
+ goto out;
+
+ if (ap->rtname[0]) {
+ mp->m_rtname = kstrdup(ap->rtname, GFP_KERNEL);
+ if (!mp->m_rtname)
+ goto out_free_fsname;
+
+ }
+
+ if (ap->logname[0]) {
+ mp->m_logname = kstrdup(ap->logname, GFP_KERNEL);
+ if (!mp->m_logname)
+ goto out_free_rtname;
+ }
+
+ if (ap->flags & XFSMNT_WSYNC)
+ mp->m_flags |= XFS_MOUNT_WSYNC;
+#if XFS_BIG_INUMS
+ if (ap->flags & XFSMNT_INO64) {
+ mp->m_flags |= XFS_MOUNT_INO64;
+ mp->m_inoadd = XFS_INO64_OFFSET;
+ }
+#endif
+ if (ap->flags & XFSMNT_RETERR)
+ mp->m_flags |= XFS_MOUNT_RETERR;
+ if (ap->flags & XFSMNT_NOALIGN)
+ mp->m_flags |= XFS_MOUNT_NOALIGN;
+ if (ap->flags & XFSMNT_SWALLOC)
+ mp->m_flags |= XFS_MOUNT_SWALLOC;
+ if (ap->flags & XFSMNT_OSYNCISOSYNC)
+ mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
+ if (ap->flags & XFSMNT_32BITINODES)
+ mp->m_flags |= XFS_MOUNT_32BITINODES;
+
+ if (ap->flags & XFSMNT_IOSIZE) {
+ if (ap->iosizelog > XFS_MAX_IO_LOG ||
+ ap->iosizelog < XFS_MIN_IO_LOG) {
+ cmn_err(CE_WARN,
+ "XFS: invalid log iosize: %d [not %d-%d]",
+ ap->iosizelog, XFS_MIN_IO_LOG,
+ XFS_MAX_IO_LOG);
+ return XFS_ERROR(EINVAL);
+ }
+
+ mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
+ mp->m_readio_log = mp->m_writeio_log = ap->iosizelog;
+ }
+
+ if (ap->flags & XFSMNT_IKEEP)
+ mp->m_flags |= XFS_MOUNT_IKEEP;
+ if (ap->flags & XFSMNT_DIRSYNC)
+ mp->m_flags |= XFS_MOUNT_DIRSYNC;
+ if (ap->flags & XFSMNT_ATTR2)
+ mp->m_flags |= XFS_MOUNT_ATTR2;
+ if (ap->flags & XFSMNT_NOATTR2)
+ mp->m_flags |= XFS_MOUNT_NOATTR2;
+
+ if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
+ mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
+
+ /*
+ * no recovery flag requires a read-only mount
+ */
+ if (ap->flags & XFSMNT_NORECOVERY) {
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY)) {
+ cmn_err(CE_WARN,
+ "XFS: tried to mount a FS read-write without recovery!");
+ return XFS_ERROR(EINVAL);
+ }
+ mp->m_flags |= XFS_MOUNT_NORECOVERY;
+ }
+
+ if (ap->flags & XFSMNT_NOUUID)
+ mp->m_flags |= XFS_MOUNT_NOUUID;
+ if (ap->flags & XFSMNT_BARRIER)
+ mp->m_flags |= XFS_MOUNT_BARRIER;
+ else
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+
+ if (ap->flags2 & XFSMNT2_FILESTREAMS)
+ mp->m_flags |= XFS_MOUNT_FILESTREAMS;
+
+ if (ap->flags & XFSMNT_DMAPI)
+ mp->m_flags |= XFS_MOUNT_DMAPI;
+ return 0;
+
+
+ out_free_rtname:
+ kfree(mp->m_rtname);
+ out_free_fsname:
+ kfree(mp->m_fsname);
+ out:
+ return error;
+}
+
+/*
+ * This function fills in xfs_mount_t fields based on mount args.
+ * Note: the superblock _has_ now been read in.
+ */
+STATIC int
+xfs_finish_flags(
+ struct xfs_mount_args *ap,
+ struct xfs_mount *mp)
+{
+ int ronly = (mp->m_flags & XFS_MOUNT_RDONLY);
+
+ /* Fail a mount where the logbuf is smaller then the log stripe */
+ if (xfs_sb_version_haslogv2(&mp->m_sb)) {
+ if ((ap->logbufsize <= 0) &&
+ (mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE)) {
+ mp->m_logbsize = mp->m_sb.sb_logsunit;
+ } else if (ap->logbufsize > 0 &&
+ ap->logbufsize < mp->m_sb.sb_logsunit) {
+ cmn_err(CE_WARN,
+ "XFS: logbuf size must be greater than or equal to log stripe size");
+ return XFS_ERROR(EINVAL);
+ }
+ } else {
+ /* Fail a mount if the logbuf is larger than 32K */
+ if (ap->logbufsize > XLOG_BIG_RECORD_BSIZE) {
+ cmn_err(CE_WARN,
+ "XFS: logbuf size for version 1 logs must be 16K or 32K");
+ return XFS_ERROR(EINVAL);
+ }
+ }
+
+ /*
+ * mkfs'ed attr2 will turn on attr2 mount unless explicitly
+ * told by noattr2 to turn it off
+ */
+ if (xfs_sb_version_hasattr2(&mp->m_sb) &&
+ !(ap->flags & XFSMNT_NOATTR2))
+ mp->m_flags |= XFS_MOUNT_ATTR2;
+
+ /*
+ * prohibit r/w mounts of read-only filesystems
+ */
+ if ((mp->m_sb.sb_flags & XFS_SBF_READONLY) && !ronly) {
+ cmn_err(CE_WARN,
+ "XFS: cannot mount a read-only filesystem as read-write");
+ return XFS_ERROR(EROFS);
+ }
+
+ /*
+ * check for shared mount.
+ */
+ if (ap->flags & XFSMNT_SHARED) {
+ if (!xfs_sb_version_hasshared(&mp->m_sb))
+ return XFS_ERROR(EINVAL);
+
+ /*
+ * For IRIX 6.5, shared mounts must have the shared
+ * version bit set, have the persistent readonly
+ * field set, must be version 0 and can only be mounted
+ * read-only.
+ */
+ if (!ronly || !(mp->m_sb.sb_flags & XFS_SBF_READONLY) ||
+ (mp->m_sb.sb_shared_vn != 0))
+ return XFS_ERROR(EINVAL);
+
+ mp->m_flags |= XFS_MOUNT_SHARED;
+
+ /*
+ * Shared XFS V0 can't deal with DMI. Return EINVAL.
+ */
+ if (mp->m_sb.sb_shared_vn == 0 && (ap->flags & XFSMNT_DMAPI))
+ return XFS_ERROR(EINVAL);
+ }
+
+ if (ap->flags & XFSMNT_UQUOTA) {
+ mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_UQUOTAENF)
+ mp->m_qflags |= XFS_UQUOTA_ENFD;
+ }
+
+ if (ap->flags & XFSMNT_GQUOTA) {
+ mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_GQUOTAENF)
+ mp->m_qflags |= XFS_OQUOTA_ENFD;
+ } else if (ap->flags & XFSMNT_PQUOTA) {
+ mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
+ if (ap->flags & XFSMNT_PQUOTAENF)
+ mp->m_qflags |= XFS_OQUOTA_ENFD;
+ }
+
+ return 0;
+}
+
STATIC int
xfs_fs_fill_super(
struct super_block *sb,
void *data,
int silent)
{
- struct inode *rootvp;
+ struct inode *root;
struct xfs_mount *mp = NULL;
- struct xfs_mount_args *args = xfs_args_allocate(sb, silent);
- struct kstatfs statvfs;
- int error;
+ struct xfs_mount_args *args;
+ int flags = 0, error = ENOMEM;
+
+ args = xfs_args_allocate(sb, silent);
+ if (!args)
+ return -ENOMEM;
- mp = xfs_mount_init();
+ mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL);
+ if (!mp)
+ goto out_free_args;
+ spin_lock_init(&mp->m_sb_lock);
+ mutex_init(&mp->m_ilock);
+ mutex_init(&mp->m_growlock);
+ atomic_set(&mp->m_active_trans, 0);
INIT_LIST_HEAD(&mp->m_sync_list);
spin_lock_init(&mp->m_sync_lock);
init_waitqueue_head(&mp->m_wait_single_sync_task);
error = xfs_parseargs(mp, (char *)data, args, 0);
if (error)
- goto fail_vfsop;
+ goto out_free_mp;
sb_min_blocksize(sb, BBSIZE);
+ sb->s_xattr = xfs_xattr_handlers;
sb->s_export_op = &xfs_export_operations;
sb->s_qcop = &xfs_quotactl_operations;
sb->s_op = &xfs_super_operations;
- error = xfs_mount(mp, args, NULL);
+ error = xfs_dmops_get(mp, args);
if (error)
- goto fail_vfsop;
+ goto out_free_mp;
+ error = xfs_qmops_get(mp, args);
+ if (error)
+ goto out_put_dmops;
+
+ if (args->flags & XFSMNT_QUIET)
+ flags |= XFS_MFSI_QUIET;
- error = xfs_statvfs(mp, &statvfs, NULL);
+ error = xfs_open_devices(mp, args);
if (error)
- goto fail_unmount;
+ goto out_put_qmops;
+
+ if (xfs_icsb_init_counters(mp))
+ mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
+
+ /*
+ * Setup flags based on mount(2) options and then the superblock
+ */
+ error = xfs_start_flags(args, mp);
+ if (error)
+ goto out_free_fsname;
+ error = xfs_readsb(mp, flags);
+ if (error)
+ goto out_free_fsname;
+ error = xfs_finish_flags(args, mp);
+ if (error)
+ goto out_free_sb;
+
+ error = xfs_setup_devices(mp);
+ if (error)
+ goto out_free_sb;
+
+ if (mp->m_flags & XFS_MOUNT_BARRIER)
+ xfs_mountfs_check_barriers(mp);
+
+ error = xfs_filestream_mount(mp);
+ if (error)
+ goto out_free_sb;
+
+ error = xfs_mountfs(mp);
+ if (error)
+ goto out_filestream_unmount;
+
+ XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname);
sb->s_dirt = 1;
- sb->s_magic = statvfs.f_type;
- sb->s_blocksize = statvfs.f_bsize;
- sb->s_blocksize_bits = ffs(statvfs.f_bsize) - 1;
+ sb->s_magic = XFS_SB_MAGIC;
+ sb->s_blocksize = mp->m_sb.sb_blocksize;
+ sb->s_blocksize_bits = ffs(sb->s_blocksize) - 1;
sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
- error = xfs_root(mp, &rootvp);
- if (error)
+ root = igrab(VFS_I(mp->m_rootip));
+ if (!root) {
+ error = ENOENT;
goto fail_unmount;
-
- sb->s_root = d_alloc_root(vn_to_inode(rootvp));
- if (!sb->s_root) {
- error = ENOMEM;
- goto fail_vnrele;
}
- if (is_bad_inode(sb->s_root->d_inode)) {
+ if (is_bad_inode(root)) {
error = EINVAL;
goto fail_vnrele;
}
+ sb->s_root = d_alloc_root(root);
+ if (!sb->s_root) {
+ error = ENOMEM;
+ goto fail_vnrele;
+ }
mp->m_sync_work.w_syncer = xfs_sync_worker;
mp->m_sync_work.w_mount = mp;
goto fail_vnrele;
}
- vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__,
- (inst_t *)__return_address);
+ xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
- kmem_free(args, sizeof(*args));
+ kfree(args);
return 0;
-fail_vnrele:
+ out_filestream_unmount:
+ xfs_filestream_unmount(mp);
+ out_free_sb:
+ xfs_freesb(mp);
+ out_free_fsname:
+ xfs_free_fsname(mp);
+ xfs_icsb_destroy_counters(mp);
+ xfs_close_devices(mp);
+ out_put_qmops:
+ xfs_qmops_put(mp);
+ out_put_dmops:
+ xfs_dmops_put(mp);
+ out_free_mp:
+ kfree(mp);
+ out_free_args:
+ kfree(args);
+ return -error;
+
+ fail_vnrele:
if (sb->s_root) {
dput(sb->s_root);
sb->s_root = NULL;
} else {
- VN_RELE(rootvp);
+ iput(root);
}
-fail_unmount:
- xfs_unmount(mp, 0, NULL);
+ fail_unmount:
+ /*
+ * Blow away any referenced inode in the filestreams cache.
+ * This can and will cause log traffic as inodes go inactive
+ * here.
+ */
+ xfs_filestream_unmount(mp);
-fail_vfsop:
- kmem_free(args, sizeof(*args));
- return -error;
+ XFS_bflush(mp->m_ddev_targp);
+ error = xfs_unmount_flush(mp, 0);
+ WARN_ON(error);
+
+ xfs_unmountfs(mp);
+ goto out_free_sb;
}
STATIC int
.fs_flags = FS_REQUIRES_DEV,
};
+STATIC int __init
+xfs_alloc_trace_bufs(void)
+{
+#ifdef XFS_ALLOC_TRACE
+ xfs_alloc_trace_buf = ktrace_alloc(XFS_ALLOC_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_alloc_trace_buf)
+ goto out;
+#endif
+#ifdef XFS_BMAP_TRACE
+ xfs_bmap_trace_buf = ktrace_alloc(XFS_BMAP_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_bmap_trace_buf)
+ goto out_free_alloc_trace;
+#endif
+#ifdef XFS_BMBT_TRACE
+ xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_bmbt_trace_buf)
+ goto out_free_bmap_trace;
+#endif
+#ifdef XFS_ATTR_TRACE
+ xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_attr_trace_buf)
+ goto out_free_bmbt_trace;
+#endif
+#ifdef XFS_DIR2_TRACE
+ xfs_dir2_trace_buf = ktrace_alloc(XFS_DIR2_GTRACE_SIZE, KM_MAYFAIL);
+ if (!xfs_dir2_trace_buf)
+ goto out_free_attr_trace;
+#endif
+
+ return 0;
+
+#ifdef XFS_DIR2_TRACE
+ out_free_attr_trace:
+#endif
+#ifdef XFS_ATTR_TRACE
+ ktrace_free(xfs_attr_trace_buf);
+ out_free_bmbt_trace:
+#endif
+#ifdef XFS_BMBT_TRACE
+ ktrace_free(xfs_bmbt_trace_buf);
+ out_free_bmap_trace:
+#endif
+#ifdef XFS_BMAP_TRACE
+ ktrace_free(xfs_bmap_trace_buf);
+ out_free_alloc_trace:
+#endif
+#ifdef XFS_ALLOC_TRACE
+ ktrace_free(xfs_alloc_trace_buf);
+ out:
+#endif
+ return -ENOMEM;
+}
+
+STATIC void
+xfs_free_trace_bufs(void)
+{
+#ifdef XFS_DIR2_TRACE
+ ktrace_free(xfs_dir2_trace_buf);
+#endif
+#ifdef XFS_ATTR_TRACE
+ ktrace_free(xfs_attr_trace_buf);
+#endif
+#ifdef XFS_BMBT_TRACE
+ ktrace_free(xfs_bmbt_trace_buf);
+#endif
+#ifdef XFS_BMAP_TRACE
+ ktrace_free(xfs_bmap_trace_buf);
+#endif
+#ifdef XFS_ALLOC_TRACE
+ ktrace_free(xfs_alloc_trace_buf);
+#endif
+}
STATIC int __init
-init_xfs_fs( void )
+xfs_init_zones(void)
+{
+ xfs_vnode_zone = kmem_zone_init_flags(sizeof(struct inode), "xfs_vnode",
+ KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+ KM_ZONE_SPREAD,
+ xfs_fs_inode_init_once);
+ if (!xfs_vnode_zone)
+ goto out;
+
+ xfs_ioend_zone = kmem_zone_init(sizeof(xfs_ioend_t), "xfs_ioend");
+ if (!xfs_ioend_zone)
+ goto out_destroy_vnode_zone;
+
+ xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
+ xfs_ioend_zone);
+ if (!xfs_ioend_pool)
+ goto out_destroy_ioend_zone;
+
+ xfs_log_ticket_zone = kmem_zone_init(sizeof(xlog_ticket_t),
+ "xfs_log_ticket");
+ if (!xfs_log_ticket_zone)
+ goto out_destroy_ioend_pool;
+
+ xfs_bmap_free_item_zone = kmem_zone_init(sizeof(xfs_bmap_free_item_t),
+ "xfs_bmap_free_item");
+ if (!xfs_bmap_free_item_zone)
+ goto out_destroy_log_ticket_zone;
+ xfs_btree_cur_zone = kmem_zone_init(sizeof(xfs_btree_cur_t),
+ "xfs_btree_cur");
+ if (!xfs_btree_cur_zone)
+ goto out_destroy_bmap_free_item_zone;
+
+ xfs_da_state_zone = kmem_zone_init(sizeof(xfs_da_state_t),
+ "xfs_da_state");
+ if (!xfs_da_state_zone)
+ goto out_destroy_btree_cur_zone;
+
+ xfs_dabuf_zone = kmem_zone_init(sizeof(xfs_dabuf_t), "xfs_dabuf");
+ if (!xfs_dabuf_zone)
+ goto out_destroy_da_state_zone;
+
+ xfs_ifork_zone = kmem_zone_init(sizeof(xfs_ifork_t), "xfs_ifork");
+ if (!xfs_ifork_zone)
+ goto out_destroy_dabuf_zone;
+
+ xfs_trans_zone = kmem_zone_init(sizeof(xfs_trans_t), "xfs_trans");
+ if (!xfs_trans_zone)
+ goto out_destroy_ifork_zone;
+
+ /*
+ * The size of the zone allocated buf log item is the maximum
+ * size possible under XFS. This wastes a little bit of memory,
+ * but it is much faster.
+ */
+ xfs_buf_item_zone = kmem_zone_init((sizeof(xfs_buf_log_item_t) +
+ (((XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK) /
+ NBWORD) * sizeof(int))), "xfs_buf_item");
+ if (!xfs_buf_item_zone)
+ goto out_destroy_trans_zone;
+
+ xfs_efd_zone = kmem_zone_init((sizeof(xfs_efd_log_item_t) +
+ ((XFS_EFD_MAX_FAST_EXTENTS - 1) *
+ sizeof(xfs_extent_t))), "xfs_efd_item");
+ if (!xfs_efd_zone)
+ goto out_destroy_buf_item_zone;
+
+ xfs_efi_zone = kmem_zone_init((sizeof(xfs_efi_log_item_t) +
+ ((XFS_EFI_MAX_FAST_EXTENTS - 1) *
+ sizeof(xfs_extent_t))), "xfs_efi_item");
+ if (!xfs_efi_zone)
+ goto out_destroy_efd_zone;
+
+ xfs_inode_zone =
+ kmem_zone_init_flags(sizeof(xfs_inode_t), "xfs_inode",
+ KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+ KM_ZONE_SPREAD, NULL);
+ if (!xfs_inode_zone)
+ goto out_destroy_efi_zone;
+
+ xfs_ili_zone =
+ kmem_zone_init_flags(sizeof(xfs_inode_log_item_t), "xfs_ili",
+ KM_ZONE_SPREAD, NULL);
+ if (!xfs_ili_zone)
+ goto out_destroy_inode_zone;
+
+#ifdef CONFIG_XFS_POSIX_ACL
+ xfs_acl_zone = kmem_zone_init(sizeof(xfs_acl_t), "xfs_acl");
+ if (!xfs_acl_zone)
+ goto out_destroy_ili_zone;
+#endif
+
+ return 0;
+
+#ifdef CONFIG_XFS_POSIX_ACL
+ out_destroy_ili_zone:
+#endif
+ kmem_zone_destroy(xfs_ili_zone);
+ out_destroy_inode_zone:
+ kmem_zone_destroy(xfs_inode_zone);
+ out_destroy_efi_zone:
+ kmem_zone_destroy(xfs_efi_zone);
+ out_destroy_efd_zone:
+ kmem_zone_destroy(xfs_efd_zone);
+ out_destroy_buf_item_zone:
+ kmem_zone_destroy(xfs_buf_item_zone);
+ out_destroy_trans_zone:
+ kmem_zone_destroy(xfs_trans_zone);
+ out_destroy_ifork_zone:
+ kmem_zone_destroy(xfs_ifork_zone);
+ out_destroy_dabuf_zone:
+ kmem_zone_destroy(xfs_dabuf_zone);
+ out_destroy_da_state_zone:
+ kmem_zone_destroy(xfs_da_state_zone);
+ out_destroy_btree_cur_zone:
+ kmem_zone_destroy(xfs_btree_cur_zone);
+ out_destroy_bmap_free_item_zone:
+ kmem_zone_destroy(xfs_bmap_free_item_zone);
+ out_destroy_log_ticket_zone:
+ kmem_zone_destroy(xfs_log_ticket_zone);
+ out_destroy_ioend_pool:
+ mempool_destroy(xfs_ioend_pool);
+ out_destroy_ioend_zone:
+ kmem_zone_destroy(xfs_ioend_zone);
+ out_destroy_vnode_zone:
+ kmem_zone_destroy(xfs_vnode_zone);
+ out:
+ return -ENOMEM;
+}
+
+STATIC void
+xfs_destroy_zones(void)
+{
+#ifdef CONFIG_XFS_POSIX_ACL
+ kmem_zone_destroy(xfs_acl_zone);
+#endif
+ kmem_zone_destroy(xfs_ili_zone);
+ kmem_zone_destroy(xfs_inode_zone);
+ kmem_zone_destroy(xfs_efi_zone);
+ kmem_zone_destroy(xfs_efd_zone);
+ kmem_zone_destroy(xfs_buf_item_zone);
+ kmem_zone_destroy(xfs_trans_zone);
+ kmem_zone_destroy(xfs_ifork_zone);
+ kmem_zone_destroy(xfs_dabuf_zone);
+ kmem_zone_destroy(xfs_da_state_zone);
+ kmem_zone_destroy(xfs_btree_cur_zone);
+ kmem_zone_destroy(xfs_bmap_free_item_zone);
+ kmem_zone_destroy(xfs_log_ticket_zone);
+ mempool_destroy(xfs_ioend_pool);
+ kmem_zone_destroy(xfs_ioend_zone);
+ kmem_zone_destroy(xfs_vnode_zone);
+
+}
+
+STATIC int __init
+init_xfs_fs(void)
{
int error;
static char message[] __initdata = KERN_INFO \
printk(message);
ktrace_init(64);
+ vn_init();
+ xfs_dir_startup();
error = xfs_init_zones();
- if (error < 0)
- goto undo_zones;
+ if (error)
+ goto out;
+
+ error = xfs_alloc_trace_bufs();
+ if (error)
+ goto out_destroy_zones;
+
+ error = xfs_mru_cache_init();
+ if (error)
+ goto out_free_trace_buffers;
+
+ error = xfs_filestream_init();
+ if (error)
+ goto out_mru_cache_uninit;
error = xfs_buf_init();
- if (error < 0)
- goto undo_buffers;
+ if (error)
+ goto out_filestream_uninit;
+
+ error = xfs_init_procfs();
+ if (error)
+ goto out_buf_terminate;
+
+ error = xfs_sysctl_register();
+ if (error)
+ goto out_cleanup_procfs;
- vn_init();
- xfs_init();
- uuid_init();
vfs_initquota();
error = register_filesystem(&xfs_fs_type);
if (error)
- goto undo_register;
+ goto out_sysctl_unregister;
return 0;
-undo_register:
+ out_sysctl_unregister:
+ xfs_sysctl_unregister();
+ out_cleanup_procfs:
+ xfs_cleanup_procfs();
+ out_buf_terminate:
xfs_buf_terminate();
-
-undo_buffers:
+ out_filestream_uninit:
+ xfs_filestream_uninit();
+ out_mru_cache_uninit:
+ xfs_mru_cache_uninit();
+ out_free_trace_buffers:
+ xfs_free_trace_bufs();
+ out_destroy_zones:
xfs_destroy_zones();
-
-undo_zones:
+ out:
return error;
}
STATIC void __exit
-exit_xfs_fs( void )
+exit_xfs_fs(void)
{
vfs_exitquota();
unregister_filesystem(&xfs_fs_type);
- xfs_cleanup();
+ xfs_sysctl_unregister();
+ xfs_cleanup_procfs();
xfs_buf_terminate();
+ xfs_filestream_uninit();
+ xfs_mru_cache_uninit();
+ xfs_free_trace_bufs();
xfs_destroy_zones();
ktrace_uninit();
}
projects / linux-2.6 / blobdiff