From: Liu Bo bo.liu@linux.alibaba.com
commit 0cbade024ba501313da3b7e5dd2a188a6bc491b5 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/fuse/file.c | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2987,6 +2987,13 @@ static long fuse_file_fallocate(struct f } }
+ 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);