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| author | Miklos Szeredi <mszeredi@suse.cz> | 2014-04-28 14:19:21 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@suse.cz> | 2014-04-28 14:19:21 +0200 |
| commit | 4adb83029de8ef5144a14dbb5c21de0f156c1a03 (patch) | |
| tree | 83e0792be0d1d9271dbe7384db23ea426d0a7320 /fs/fuse/file.c | |
| parent | 7736e8cc51bbfdbd538c1870c314eb3483fe04ed (diff) | |
| download | lwn-4adb83029de8ef5144a14dbb5c21de0f156c1a03.tar.gz lwn-4adb83029de8ef5144a14dbb5c21de0f156c1a03.zip | |
fuse: check fallocate mode
Don't allow new fallocate modes until we figure out what (if anything) that
takes.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 13f8bdec5110..982288a1c6ab 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2972,6 +2972,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) || (mode & FALLOC_FL_PUNCH_HOLE); + if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) + return -EOPNOTSUPP; + if (fc->no_fallocate) return -EOPNOTSUPP; |