#include <linux/uio.h>
#include <linux/blkdev.h>
#include <linux/mm.h>
+#include <linux/mount.h>
#include <linux/fs.h>
#include <linux/gfs2_ondisk.h>
#include <linux/ext2_fs.h>
#include "util.h"
#include "eaops.h"
#include "ops_address.h"
+#include "ops_inode.h"
/**
* gfs2_llseek - seek to a location in a file
int error;
u32 new_flags, flags;
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ error = mnt_want_write(filp->f_path.mnt);
if (error)
return error;
+ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (error)
+ goto out_drop_write;
+
flags = ip->i_di.di_flags;
new_flags = (flags & ~mask) | (reqflags & mask);
if ((new_flags ^ flags) == 0)
!capable(CAP_LINUX_IMMUTABLE))
goto out;
if (!IS_IMMUTABLE(inode)) {
- error = permission(inode, MAY_WRITE, NULL);
+ error = gfs2_permission(inode, MAY_WRITE);
if (error)
goto out;
}
gfs2_trans_end(sdp);
out:
gfs2_glock_dq_uninit(&gh);
+out_drop_write:
+ mnt_drop_write(filp->f_path.mnt);
return error;
}
if (al == NULL)
goto out_unlock;
- ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
+ ret = gfs2_quota_lock_check(ip);
if (ret)
goto out_alloc_put;
- ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid);
- if (ret)
- goto out_quota_unlock;
al->al_requested = data_blocks + ind_blocks;
ret = gfs2_inplace_reserve(ip);
if (ret)
int error = 0;
state = (fl->fl_type == F_WRLCK) ? LM_ST_EXCLUSIVE : LM_ST_SHARED;
- flags = (IS_SETLKW(cmd) ? 0 : LM_FLAG_TRY) | GL_EXACT | GL_NOCACHE
- | GL_FLOCK;
+ flags = (IS_SETLKW(cmd) ? 0 : LM_FLAG_TRY) | GL_EXACT | GL_NOCACHE;
mutex_lock(&fp->f_fl_mutex);
gfs2_glock_dq_wait(fl_gh);
gfs2_holder_reinit(state, flags, fl_gh);
} else {
- error = gfs2_glock_get(GFS2_SB(&ip->i_inode),
- ip->i_no_addr, &gfs2_flock_glops,
- CREATE, &gl);
+ error = gfs2_glock_get(GFS2_SB(&ip->i_inode), ip->i_no_addr,
+ &gfs2_flock_glops, CREATE, &gl);
if (error)
goto out;
gfs2_holder_init(gl, state, flags, fl_gh);