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| author | Ingo Molnar <[email protected]> | 2025-05-21 06:42:51 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2025-05-21 06:45:03 +0000 |
| commit | 412751aa6991501d7defeadecfede59043d1b5e8 (patch) | |
| tree | ee5026e79128dd4eacb935f76564d7dcc105b24f /fs/nfs/dir.c | |
| parent | x86/xen/msr: Fix uninitialized variable 'err' (diff) | |
| parent | Linux 6.15-rc7 (diff) | |
| download | kernel-412751aa6991501d7defeadecfede59043d1b5e8.tar.gz kernel-412751aa6991501d7defeadecfede59043d1b5e8.zip | |
Merge tag 'v6.15-rc7' into x86/core, to pick up fixes
Pick up build fixes from upstream to make this tree more testable.
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index bd23fc736b39..d0e0b435a843 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2676,6 +2676,18 @@ nfs_unblock_rename(struct rpc_task *task, struct nfs_renamedata *data) unblock_revalidate(new_dentry); } +static bool nfs_rename_is_unsafe_cross_dir(struct dentry *old_dentry, + struct dentry *new_dentry) +{ + struct nfs_server *server = NFS_SB(old_dentry->d_sb); + + if (old_dentry->d_parent != new_dentry->d_parent) + return false; + if (server->fh_expire_type & NFS_FH_RENAME_UNSAFE) + return !(server->fh_expire_type & NFS_FH_NOEXPIRE_WITH_OPEN); + return true; +} + /* * RENAME * FIXME: Some nfsds, like the Linux user space nfsd, may generate a @@ -2763,7 +2775,8 @@ int nfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, } - if (S_ISREG(old_inode->i_mode)) + if (S_ISREG(old_inode->i_mode) && + nfs_rename_is_unsafe_cross_dir(old_dentry, new_dentry)) nfs_sync_inode(old_inode); task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, must_unblock ? nfs_unblock_rename : NULL); |