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| author | Liu Bo <bo.liu@linux.alibaba.com> | 2019-04-18 04:04:41 +0800 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2019-04-24 17:05:06 +0200 |
| commit | 0cbade024ba501313da3b7e5dd2a188a6bc491b5 (patch) | |
| tree | 5766b4c3a874f5c58bf2ebc91baa9ae845c83f70 /fs/fuse/file.c | |
| parent | 9de5be06d0a89ca97b5ab902694d42dfd2bb77d2 (diff) | |
| download | lwn-0cbade024ba501313da3b7e5dd2a188a6bc491b5.tar.gz lwn-0cbade024ba501313da3b7e5dd2a188a6bc491b5.zip | |
fuse: honor RLIMIT_FSIZE in fuse_file_fallocate
fstests generic/228 reported this failure that fuse fallocate does not
honor what 'ulimit -f' has set.
This adds the necessary inode_newsize_ok() check.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Fixes: 05ba1f082300 ("fuse: add FALLOCATE operation")
Cc: <stable@vger.kernel.org> # v3.5
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 5428c81879b2..f811af4f6507 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3044,6 +3044,13 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, } } + if (!(mode & FALLOC_FL_KEEP_SIZE) && + offset + length > i_size_read(inode)) { + err = inode_newsize_ok(inode, offset + length); + if (err) + return err; + } + if (!(mode & FALLOC_FL_KEEP_SIZE)) set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); |