#include <linux/gfs2_ondisk.h>
#include <linux/ext2_fs.h>
#include <linux/crc32.h>
-#include <linux/iflags.h>
#include <linux/lm_interface.h>
#include <asm/uaccess.h>
return error;
}
+/**
+ * fsflags_cvt
+ * @table: A table of 32 u32 flags
+ * @val: a 32 bit value to convert
+ *
+ * This function can be used to convert between fsflags values and
+ * GFS2's own flags values.
+ *
+ * Returns: the converted flags
+ */
+static u32 fsflags_cvt(const u32 *table, u32 val)
+{
+ u32 res = 0;
+ while(val) {
+ if (val & 1)
+ res |= *table;
+ table++;
+ val >>= 1;
+ }
+ return res;
+}
-static const u32 iflags_to_gfs2[32] = {
- [iflag_Sync] = GFS2_DIF_SYNC,
- [iflag_Immutable] = GFS2_DIF_IMMUTABLE,
- [iflag_Append] = GFS2_DIF_APPENDONLY,
- [iflag_NoAtime] = GFS2_DIF_NOATIME,
- [iflag_Index] = GFS2_DIF_EXHASH,
- [iflag_JournalData] = GFS2_DIF_JDATA,
- [iflag_DirectIO] = GFS2_DIF_DIRECTIO,
+static const u32 fsflags_to_gfs2[32] = {
+ [3] = GFS2_DIF_SYNC,
+ [4] = GFS2_DIF_IMMUTABLE,
+ [5] = GFS2_DIF_APPENDONLY,
+ [7] = GFS2_DIF_NOATIME,
+ [12] = GFS2_DIF_EXHASH,
+ [14] = GFS2_DIF_JDATA,
+ [20] = GFS2_DIF_DIRECTIO,
};
-static const u32 gfs2_to_iflags[32] = {
- [gfs2fl_Sync] = IFLAG_SYNC,
- [gfs2fl_Immutable] = IFLAG_IMMUTABLE,
- [gfs2fl_AppendOnly] = IFLAG_APPEND,
- [gfs2fl_NoAtime] = IFLAG_NOATIME,
- [gfs2fl_ExHash] = IFLAG_INDEX,
- [gfs2fl_Jdata] = IFLAG_JOURNAL_DATA,
- [gfs2fl_Directio] = IFLAG_DIRECTIO,
- [gfs2fl_InheritDirectio] = IFLAG_DIRECTIO,
- [gfs2fl_InheritJdata] = IFLAG_JOURNAL_DATA,
+static const u32 gfs2_to_fsflags[32] = {
+ [gfs2fl_Sync] = FS_SYNC_FL,
+ [gfs2fl_Immutable] = FS_IMMUTABLE_FL,
+ [gfs2fl_AppendOnly] = FS_APPEND_FL,
+ [gfs2fl_NoAtime] = FS_NOATIME_FL,
+ [gfs2fl_ExHash] = FS_INDEX_FL,
+ [gfs2fl_Jdata] = FS_JOURNAL_DATA_FL,
+ [gfs2fl_Directio] = FS_DIRECTIO_FL,
+ [gfs2fl_InheritDirectio] = FS_DIRECTIO_FL,
+ [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
};
static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
int error;
- u32 iflags;
+ u32 fsflags;
gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh);
error = gfs2_glock_nq_m_atime(1, &gh);
if (error)
return error;
- iflags = iflags_cvt(gfs2_to_iflags, ip->i_di.di_flags);
- if (put_user(iflags, ptr))
+ fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags);
+ if (put_user(fsflags, ptr))
error = -EFAULT;
gfs2_glock_dq_m(1, &gh);
static int gfs2_set_flags(struct file *filp, u32 __user *ptr)
{
- u32 iflags, gfsflags;
- if (get_user(iflags, ptr))
+ u32 fsflags, gfsflags;
+ if (get_user(fsflags, ptr))
return -EFAULT;
- gfsflags = iflags_cvt(iflags_to_gfs2, iflags);
+ gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags);
return do_gfs2_set_flags(filp, gfsflags, ~0);
}
static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch(cmd) {
- case IFLAGS_GET_IOC:
+ case FS_IOC_GETFLAGS:
return gfs2_get_flags(filp, (u32 __user *)arg);
- case IFLAGS_SET_IOC:
+ case FS_IOC_SETFLAGS:
return gfs2_set_flags(filp, (u32 __user *)arg);
}
return -ENOTTY;
if (fl->fl_type == F_UNLCK) {
do_unflock(file, fl);
return 0;
- } else
+ } else {
return do_flock(file, cmd, fl);
+ }
}
const struct file_operations gfs2_file_fops = {
.llseek = gfs2_llseek,
- .read = do_sync_read,
+ .read = do_sync_read,
.aio_read = generic_file_aio_read,
- .write = do_sync_write,
+ .write = do_sync_write,
.aio_write = generic_file_aio_write,
.unlocked_ioctl = gfs2_ioctl,
.mmap = gfs2_mmap,