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fuse: generic_write_checks() for direct_io

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This fixes O_APPEND in direct IO mode.  Also checks writes against file size
limits, notably rlimits.

Reported by Greg Bruno.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miklos Szeredi 2007-05-23 13:57:54 -07:00 committed by Linus Torvalds
parent 492c8b332e
commit 889f784831
1 changed files with 3 additions and 1 deletions
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4
fs/fuse/file.c
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@ -610,7 +610,9 @@ static ssize_t fuse_direct_write(struct file *file, const char __user *buf,
ssize_t res;
/* Don't allow parallel writes to the same file */
mutex_lock(&inode->i_mutex);
res = fuse_direct_io(file, buf, count, ppos, 1);
res = generic_write_checks(file, ppos, &count, 0);
if (!res)
res = fuse_direct_io(file, buf, count, ppos, 1);
mutex_unlock(&inode->i_mutex);
return res;
}