diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:27:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:27:28 -0800 |
| commit | b2034d474b7e1e8578bd5c2977024b51693269d9 (patch) | |
| tree | e43969bf7c2ba89884c2580f56978826f1014520 /fs/open.c | |
| parent | 27d189c02ba25851973c8582e419c0bded9f7e5b (diff) | |
| parent | 924241575a85249b9d410e38f5b2fcad9035e45c (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (41 commits)
fs: add documentation on fallocate hole punching
Gfs2: fail if we try to use hole punch
Btrfs: fail if we try to use hole punch
Ext4: fail if we try to use hole punch
Ocfs2: handle hole punching via fallocate properly
XFS: handle hole punching via fallocate properly
fs: add hole punching to fallocate
vfs: pass struct file to do_truncate on O_TRUNC opens (try #2)
fix signedness mess in rw_verify_area() on 64bit architectures
fs: fix kernel-doc for dcache::prepend_path
fs: fix kernel-doc for dcache::d_validate
sanitize ecryptfs ->mount()
switch afs
move internal-only parts of ncpfs headers to fs/ncpfs
switch ncpfs
switch 9p
pass default dentry_operations to mount_pseudo()
switch hostfs
switch affs
switch configfs
...
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/open.c b/fs/open.c index 4197b9ed023..5b6ef7e2859 100644 --- a/fs/open.c +++ b/fs/open.c @@ -223,7 +223,12 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) return -EINVAL; /* Return error if mode is not supported */ - if (mode && !(mode & FALLOC_FL_KEEP_SIZE)) + if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) + return -EOPNOTSUPP; + + /* Punch hole must have keep size set */ + if ((mode & FALLOC_FL_PUNCH_HOLE) && + !(mode & FALLOC_FL_KEEP_SIZE)) return -EOPNOTSUPP; if (!(file->f_mode & FMODE_WRITE)) |