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v6.15
linux/fs/nfs
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Trond Myklebust dcd21b609d NFS: Avoid flushing data while holding directory locks in nfs_rename() 
The Linux client assumes that all filehandles are non-volatile for
renames within the same directory (otherwise sillyrename cannot work).
However, the existence of the Linux 'subtree_check' export option has
meant that nfs_rename() has always assumed it needs to flush writes
before attempting to rename.

Since NFSv4 does allow the client to query whether or not the server
exhibits this behaviour, and since knfsd does actually set the
appropriate flag when 'subtree_check' is enabled on an export, it
should be OK to optimise away the write flushing behaviour in the cases
where it is clearly not needed.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2025-05-16 22:31:35 +02:00
..
blocklayout nfs/blocklayout: Limit repeat device registration on failure 2024-11-28 12:55:32 -05:00
filelayout nfs: don't share pNFS DS connections between net namespaces 2025-04-27 23:25:44 -04:00
flexfilelayout nfs: don't share pNFS DS connections between net namespaces 2025-04-27 23:25:44 -04:00
cache_lib.c NFS client updates for Linux 4.15 2017-11-17 14:18:00 -08:00
cache_lib.h NFS client updates for Linux 4.15 2017-11-17 14:18:00 -08:00
callback_proc.c NFS: CB_OFFLOAD can return NFS4ERR_DELAY 2025-01-21 11:34:50 -05:00
callback_xdr.c nfsd: don't use sv_nrthreads in connection limiting calculations. 2025-01-06 09:37:36 -05:00
callback.c nfsd: don't use sv_nrthreads in connection limiting calculations. 2025-01-06 09:37:36 -05:00
callback.h NFSv4: Add CB_GETATTR support for delegated attributes 2024-07-08 13:47:25 -04:00
client.c NFS: Avoid flushing data while holding directory locks in nfs_rename() 2025-05-16 22:31:35 +02:00
delegation.c NFSv4: Check for delegation validity in nfs_start_delegation_return_locked() 2025-03-28 16:38:05 -04:00
delegation.h NFSv4: Fix a deadlock when recovering state on a sillyrenamed file 2025-02-19 16:45:24 -05:00
dir.c NFS: Avoid flushing data while holding directory locks in nfs_rename() 2025-05-16 22:31:35 +02:00
direct.c nfs: direct: drop useless initializer in nfs_direct_write_completion() 2025-04-27 23:25:44 -04:00
dns_resolve.c NFS: Move common includes outside ifdef 2023-08-24 13:24:15 -04:00
dns_resolve.h NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
export.c nfsd: disallow file locking and delegations for NFSv4 reexport 2025-03-10 09:11:08 -04:00
file.c NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback 2025-03-05 21:36:15 -08:00
fs_context.c NFS: Add a mount option to make ENETUNREACH errors fatal 2025-03-21 12:44:09 -04:00
fscache.c netfs: Drop the was_async arg from netfs_read_subreq_terminated() 2024-12-20 22:34:03 +01:00
fscache.h netfs: Drop the was_async arg from netfs_read_subreq_terminated() 2024-12-20 22:34:03 +01:00
getroot.c nfs: fix the comment of nfs_get_root 2024-09-23 15:03:13 -04:00
inode.c NFS: Don't allow waiting for exiting tasks 2025-03-28 16:38:02 -04:00
internal.h nfsd-6.15 fixes: 2025-04-19 10:38:03 -07:00
io.c fs/nfs/io: make nfs_start_io_*() killable 2024-11-28 12:55:33 -05:00
iostat.h mm: add comments for allocation helpers explaining why they are macros 2024-07-12 15:52:20 -07:00
Kconfig nfs: add missing selections of CONFIG_CRC32 2025-04-13 16:39:42 -04:00
localio.c NFS/localio: Fix a race in nfs_local_open_fh() 2025-04-28 09:50:50 -07:00
Makefile nfs: add LOCALIO support 2024-09-23 15:03:30 -04:00
mount_clnt.c NFS: remove unused struct 'mnt_fhstatus' 2024-07-08 13:47:24 -04:00
namespace.c nfs: fix ->d_revalidate() UAF on ->d_name accesses 2025-01-27 19:25:24 -05:00
netns.h nfs: move the nfs4_data_server_cache into struct nfs_net 2025-04-27 23:25:44 -04:00
nfs.h NFS: Implement get_nfs_version() 2024-11-08 14:17:37 -05:00
nfs2super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs2xdr.c nfs_common: factor out nfs_errtbl and nfs_stat_to_errno 2024-09-23 15:03:29 -04:00
nfs3_fs.h fs: drop unused posix acl handlers 2023-03-06 09:57:12 +01:00
nfs3acl.c nfs: nfs3acl: drop useless assignment in nfs3_get_acl() 2025-04-27 23:25:44 -04:00
nfs3client.c pNFS/flexfiles: Treat ENETUNREACH errors as fatal in containers 2025-03-21 12:44:24 -04:00
nfs3proc.c NFS client updates for Linux 6.15 2025-04-02 17:06:31 -07:00
nfs3super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs3xdr.c nfs_common: factor out nfs_errtbl and nfs_stat_to_errno 2024-09-23 15:03:29 -04:00
nfs4_fs.h nfs: simplify and guarantee owner uniqueness. 2024-09-23 15:03:12 -04:00
nfs4client.c pNFS/flexfiles: Treat ENETUNREACH errors as fatal in containers 2025-03-21 12:44:24 -04:00
nfs4file.c filelock: split leases out of struct file_lock 2024-02-05 13:11:44 +01:00
nfs4getroot.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs4idmap.c cred: Do not default to init_cred in prepare_kernel_cred() 2022-11-01 10:04:52 -07:00
nfs4idmap.h
nfs4namespace.c NFS: Avoid memcpy() run-time warning for struct sockaddr overflows 2022-10-27 15:52:10 -04:00
nfs4proc.c nfs: handle failure of nfs_get_lock_context in unlock path 2025-04-27 23:25:44 -04:00
nfs4renewd.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4session.c NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4session.h nfs: add missing selections of CONFIG_CRC32 2025-04-13 16:39:42 -04:00
nfs4state.c NFSv4: Treat ENETUNREACH errors as fatal for state recovery 2025-03-26 12:19:58 -04:00
nfs4super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs4sysctl.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
nfs4trace.c nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg 2024-07-08 13:47:27 -04:00
nfs4trace.h pNFS/flexfiles: Record the RPC errors in the I/O tracepoints 2025-04-27 23:25:44 -04:00
nfs4xdr.c NFS: Implement NFSv4.2's OFFLOAD_STATUS XDR 2025-03-17 16:51:53 -04:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-02-28 16:18:18 -05:00
nfs42proc.c NFS: Refactor trace_nfs4_offload_cancel 2025-03-17 16:51:53 -04:00
nfs42xattr.c mm/list_lru: simplify the list_lru walk callback function 2024-11-11 17:22:26 -08:00
nfs42xdr.c NFS: Implement NFSv4.2's OFFLOAD_STATUS XDR 2025-03-17 16:51:53 -04:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-03-09 09:14:51 -05:00
nfstrace.c NFSv4: Catch and trace server filehandle encoding errors 2021-04-14 09:36:29 -04:00
nfstrace.h nfs/localio: remove redundant code and simplify LOCALIO enablement 2025-01-14 17:05:10 -05:00
pagelist.c nfs: cache all open LOCALIO nfsd_file(s) in client 2025-01-14 17:04:05 -05:00
pnfs_dev.c nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type 2024-07-10 13:23:17 -04:00
pnfs_nfs.c nfs: move the nfs4_data_server_cache into struct nfs_net 2025-04-27 23:25:44 -04:00
pnfs.c NFS/pnfs: Fix the error path in pnfs_layoutreturn_retry_later_locked() 2025-05-16 22:31:35 +02:00
pnfs.h nfs: don't share pNFS DS connections between net namespaces 2025-04-27 23:25:44 -04:00
proc.c nfs: change mkdir inode_operation to return alternate dentry if needed. 2025-03-05 11:52:50 +01:00
read.c nfs: Remove unnecessary NULL check before kfree() 2024-09-23 15:03:12 -04:00
super.c NFS: Add a mount option to make ENETUNREACH errors fatal 2025-03-21 12:44:09 -04:00
symlink.c nfs: Remove calls to folio_set_error 2024-05-31 12:31:41 +02:00
sysctl.c treewide: const qualify ctl_tables where applicable 2025-01-28 13:48:37 +01:00
sysfs.c NFS: Shut down the nfs_client only after all the superblocks 2025-03-26 12:17:48 -04:00
sysfs.h NFS: Add sysfs links to sunrpc clients for nfs_clients 2023-06-19 15:04:13 -04:00
unlink.c Return the delegation when deleting sillyrenamed files 2024-07-08 13:47:26 -04:00
write.c nfs: Add missing release on error in nfs_lock_and_join_requests() 2025-04-02 09:53:16 -04:00