diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2025-09-06 10:40:24 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2025-09-06 16:51:25 -0400 |
| commit | c80ebeba1198eac8811ab0dba36ecc13d51e4438 (patch) | |
| tree | a0a993fff04026af29c5626bbbfcb1874c939913 | |
| parent | b93128f29733af5d427a335978a19884c2c230e2 (diff) | |
NFSv4.2: Serialise O_DIRECT i/o and clone range
Ensure that all O_DIRECT reads and writes complete before cloning a file
range, so that both the source and destination are up to date.
Fixes: a5864c999de6 ("NFS: Do not serialise O_DIRECT reads and writes")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
| -rw-r--r-- | fs/nfs/nfs4file.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 1d6b5f4230c9..c9a0d1e420c6 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -278,9 +278,11 @@ static loff_t nfs42_remap_file_range(struct file *src_file, loff_t src_off, lock_two_nondirectories(src_inode, dst_inode); /* flush all pending writes on both src and dst so that server * has the latest data */ + nfs_file_block_o_direct(NFS_I(src_inode)); ret = nfs_sync_inode(src_inode); if (ret) goto out_unlock; + nfs_file_block_o_direct(NFS_I(dst_inode)); ret = nfs_sync_inode(dst_inode); if (ret) goto out_unlock; |