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| author | Amir Goldstein <amir73il@gmail.com> | 2019-06-05 08:04:51 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-06-09 10:07:07 -0700 |
| commit | fe0da9c09b2dc448ff781d1426ecb36d145ce51b (patch) | |
| tree | 368b9c4126a747858b39d301f818b153019ce28b /fs/fuse/file.c | |
| parent | 5dae222a5ff0c269730393018a5539cc970a4726 (diff) | |
| download | lwn-fe0da9c09b2dc448ff781d1426ecb36d145ce51b.tar.gz lwn-fe0da9c09b2dc448ff781d1426ecb36d145ce51b.zip | |
fuse: copy_file_range needs to strip setuid bits and update timestamps
Like ->write_iter(), we update mtime and strip setuid of dst file before
copy and like ->read_iter(), we update atime of src file after copy.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index dc342edb399b..5ae2828beb00 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3155,6 +3155,10 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in, inode_lock(inode_out); + err = file_modified(file_out); + if (err) + goto out; + if (fc->writeback_cache) { err = fuse_writeback_range(inode_out, pos_out, pos_out + len); if (err) @@ -3193,6 +3197,7 @@ out: clear_bit(FUSE_I_SIZE_UNSTABLE, &fi_out->state); inode_unlock(inode_out); + file_accessed(file_in); return err; } |