diff options
| author | Trond Myklebust <trondmy@gmail.com> | 2019-12-18 14:57:23 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2019-12-19 17:46:08 -0500 |
| commit | 57f64034966fb945fc958f95f0c51e47af590344 (patch) | |
| tree | a7ad530e20df8b5c6c0ed3c052d289284828d9f2 /fs/nfsd | |
| parent | fc5fc5d7cc9e0c7d2ca5c751cf5450c6bb635e57 (diff) | |
| download | linux-57f64034966fb945fc958f95f0c51e47af590344.tar.bz2 | |
nfsd: Clone should commit src file metadata too
vfs_clone_file_range() can modify the metadata on the source file too,
so we need to commit that to stable storage as well.
Reported-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Acked-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/vfs.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index f0bca0e87d0c..82cf80dde5c7 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -280,19 +280,25 @@ out: * Commit metadata changes to stable storage. */ static int -commit_metadata(struct svc_fh *fhp) +commit_inode_metadata(struct inode *inode) { - struct inode *inode = d_inode(fhp->fh_dentry); const struct export_operations *export_ops = inode->i_sb->s_export_op; - if (!EX_ISSYNC(fhp->fh_export)) - return 0; - if (export_ops->commit_metadata) return export_ops->commit_metadata(inode); return sync_inode_metadata(inode, 1); } +static int +commit_metadata(struct svc_fh *fhp) +{ + struct inode *inode = d_inode(fhp->fh_dentry); + + if (!EX_ISSYNC(fhp->fh_export)) + return 0; + return commit_inode_metadata(inode); +} + /* * Go over the attributes and take care of the small differences between * NFS semantics and what Linux expects. @@ -537,6 +543,9 @@ __be32 nfsd4_clone_file_range(struct file *src, u64 src_pos, struct file *dst, if (sync) { loff_t dst_end = count ? dst_pos + count - 1 : LLONG_MAX; int status = vfs_fsync_range(dst, dst_pos, dst_end, 0); + + if (!status) + status = commit_inode_metadata(file_inode(src)); if (status < 0) return nfserrno(status); } |