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linux/Documentation/filesystems
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Jan Kara 6db001a7ed fs: Lock moved directories 
commit 28eceeda13 upstream.

When a directory is moved to a different directory, some filesystems
(udf, ext4, ocfs2, f2fs, and likely gfs2, reiserfs, and others) need to
update their pointer to the parent and this must not race with other
operations on the directory. Lock the directories when they are moved.
Although not all filesystems need this locking, we perform it in
vfs_rename() because getting the lock ordering right is really difficult
and we don't want to expose these locking details to filesystems.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-5-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-23 13:47:34 +02:00
..
caching docs: filesystems: Replace HTTP links with HTTPS ones 2020-07-13 09:33:22 -06:00
cifs ksmbd: update SMB3 multi-channel support in ksmbd.rst 2021-08-13 08:18:15 +09:00
ext4 ext4, doc: fix incorrect h_reserved size 2022-04-27 14:39:01 +02:00
nfs nfsd: close cached files prior to a REMOVE or RENAME that would replace target 2020-12-09 09:39:38 -05:00
spufs docs: filesystems: convert spufs/spu_run.txt to ReST 2020-05-05 09:22:24 -06:00
9p.rst Replace HTTP links with HTTPS ones: 9P FILE SYSTEM 2020-07-13 11:28:12 -06:00
adfs.rst docs: filesystems: convert adfs.txt to ReST 2020-03-02 13:58:44 -07:00
affs.rst affs: fix basic permission bits to actually work 2020-08-31 12:20:31 +02:00
afs.rst AFS: Documentation: fix a few typos in afs.rst 2021-01-21 14:06:00 -07:00
api-summary.rst block: move fs/block_dev.c to block/bdev.c 2021-09-07 08:39:40 -06:00
autofs-mount-control.rst autofs: use flexible array in ioctl structure 2023-07-23 13:47:33 +02:00
autofs.rst autofs: use flexible array in ioctl structure 2023-07-23 13:47:33 +02:00
automount-support.rst docs: filesystems: convert automount-support.txt to ReST 2020-05-05 09:22:21 -06:00
befs.rst docs: filesystems: convert befs.txt to ReST 2020-03-02 14:01:25 -07:00
bfs.rst docs: filesystems: convert bfs.txt to ReST 2020-03-02 14:01:26 -07:00
btrfs.rst docs: filesystems: convert btrfs.txt to ReST 2020-03-02 14:01:28 -07:00
ceph.rst libceph, rbd, ceph: "blacklist" -> "blocklist" 2020-10-12 15:29:26 +02:00
coda.rst Documentation: coda: annotate duplicated words 2020-07-13 10:02:32 -06:00
configfs.rst Documentation: filesystems: configfs: drop doubled word 2020-07-05 14:44:29 -06:00
cramfs.rst docs: filesystems: convert cramfs.txt to ReST 2020-03-02 14:02:07 -07:00
dax.rst docs: convert dax.txt to rst 2021-06-04 11:31:02 -06:00
debugfs.rst debugfs: remove return value of debugfs_create_bool() 2021-05-21 20:59:03 +02:00
devpts.rst docs: filesystems: convert devpts.txt to ReST 2020-05-05 09:22:21 -06:00
directory-locking.rst fs: Lock moved directories 2023-07-23 13:47:34 +02:00
dlmfs.rst ocfs2: replace HTTP links with HTTPS ones 2020-08-07 11:33:22 -07:00
dnotify.rst docs: filesystems: convert dnotify.txt to ReST 2020-05-05 09:22:22 -06:00
ecryptfs.rst docs: prevent warnings due to autosectionlabel 2020-03-20 17:01:29 -06:00
efivarfs.rst docs: filesystems: add info about efivars content 2020-05-25 18:59:59 -06:00
erofs.rst erofs: introduce chunk-based file on-disk format 2021-08-20 22:38:01 +08:00
ext2.rst docs: fix a cross-ref 2021-06-13 17:02:46 -06:00
ext3.rst docs: filesystems: convert ext3.txt to ReST 2020-03-02 14:03:16 -07:00
f2fs.rst f2fs: support fault injection for dquot_initialize() 2022-06-09 10:23:13 +02:00
fiemap.rst A lot of bug fixes and cleanups for ext4, including: 2020-06-05 16:19:28 -07:00
files.rst file: Rename fcheck lookup_fd_rcu 2020-12-10 12:40:07 -06:00
fscrypt.rst fscrypt: allow 256-bit master keys with AES-256-XTS 2021-11-18 19:16:11 +01:00
fsverity.rst fs-verity: support reading signature with ioctl 2021-02-07 14:51:19 -08:00
fuse-io.rst docs: filesystems: convert fuse-io.txt to ReST 2020-05-05 09:22:22 -06:00
fuse.rst fuse: update project homepage 2020-09-04 11:32:10 +02:00
gfs2-glocks.rst docs: filesystems: convert gfs2-glocks.txt to ReST 2020-06-02 19:45:05 +02:00
gfs2-uevents.rst docs: filesystems: convert gfs2-uevents.txt to ReST 2020-03-02 14:03:35 -07:00
gfs2.rst Documentation: Update filesystems/gfs2.rst 2020-12-01 00:25:20 +01:00
hfs.rst Replace HTTP links with HTTPS ones: Documentation/filesystems 2020-06-26 11:14:12 -06:00
hfsplus.rst docs: filesystems: convert hfsplus.txt to ReST 2020-03-02 14:03:47 -07:00
hpfs.rst Replace HTTP links with HTTPS ones: Documentation/filesystems 2020-06-26 11:14:12 -06:00
idmappings.rst docs: update mapping documentation 2022-07-02 16:41:15 +02:00
index.rst Merge git://github.com/Paragon-Software-Group/linux-ntfs3 2021-09-04 11:15:50 -07:00
inotify.rst docs: filesystems: convert inotify.txt to ReST 2020-03-02 14:03:55 -07:00
isofs.rst docs: filesystems: convert isofs.txt to ReST 2020-03-02 14:04:06 -07:00
journalling.rst jbd2: drop jbd2_fc_init documentation 2020-11-06 23:01:03 -05:00
locking.rst overlayfs update for 5.15 2021-09-02 09:21:27 -07:00
locks.rst docs: filesystems: convert mandatory-locking.txt to ReST 2020-05-05 09:22:22 -06:00
mount_api.rst Documentation: mount_api: change kernel log wording 2020-12-03 15:53:13 -07:00
netfs_library.rst netfs: Documentation for helper library 2021-04-23 10:14:32 +01:00
nilfs2.rst docs: filesystems: convert nilfs2.txt to ReST 2020-03-02 14:04:06 -07:00
ntfs3.rst Doc/fs/ntfs3: Fix rst format and make it cleaner 2021-09-20 18:53:12 +03:00
ntfs.rst docs: filesystems: convert ntfs.txt to ReST 2020-03-02 14:04:06 -07:00
ocfs2-online-filecheck.rst docs: filesystems: convert ocfs2-online-filecheck.txt to ReST 2020-03-02 14:04:06 -07:00
ocfs2.rst ocfs2: replace HTTP links with HTTPS ones 2020-08-07 11:33:22 -07:00
omfs.rst Replace HTTP links with HTTPS ones: OMFS 2020-07-13 11:24:43 -06:00
orangefs.rst docs: orangefs: fix pvfs2tab literal block 2020-04-28 12:35:47 -06:00
overlayfs.rst ovl: skip checking lower file's i_writecount on truncate 2021-08-17 11:47:44 +02:00
path-lookup.rst Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
path-lookup.txt Replace HTTP links with HTTPS ones: documentation 2020-06-08 09:30:19 -06:00
porting.rst Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
proc.rst procfs/dmabuf: add inode number to /proc/*/fdinfo 2021-07-01 11:06:04 -07:00
qnx6.rst docs: filesystems: fix typo in qnx6.rst 2020-04-07 13:20:56 -06:00
quota.rst quota: Fixup http links in quota doc 2020-07-09 08:14:01 +02:00
ramfs-rootfs-initramfs.rst Documentation: Fix intiramfs script name 2021-07-18 23:48:14 +09:00
relay.rst docs: filesystems: convert relay.txt to ReST 2020-03-02 14:04:41 -07:00
romfs.rst docs: filesystems: convert romfs.txt to ReST 2020-03-02 14:04:41 -07:00
seq_file.rst seq_file: document how per-entry resources are managed. 2021-02-26 09:41:05 -08:00
sharedsubtree.rst docs: filesystems: convert sharedsubtree.txt to ReST 2020-05-05 09:22:23 -06:00
splice.rst docs: Bring some order to filesystem documentation 2019-03-06 09:46:10 -07:00
squashfs.rst docs: filesystems: convert squashfs.txt to ReST 2020-03-02 14:04:41 -07:00
sysfs.rst Driver Core patches for 5.10-rc1 2020-10-14 16:09:32 -07:00
sysv-fs.rst docs: filesystems: convert sysv-fs.txt to ReST 2020-03-02 14:04:41 -07:00
tmpfs.rst tmpfs: fix Documentation nits 2020-12-15 12:13:39 -08:00
ubifs-authentication.rst docs: ubifs-authentication: Add a top-level heading 2020-09-09 11:53:33 -06:00
ubifs.rst docs: filesystems: convert ubifs.txt to ReST 2020-03-02 14:04:41 -07:00
udf.rst udf: Replace HTTP links with HTTPS ones 2020-07-14 14:37:39 +02:00
vfat.rst docs: filesystems: Fix a mundane typo 2021-03-25 11:51:23 -06:00
vfs.rst docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate 2023-03-22 13:31:22 +01:00
virtiofs.rst virtiofs: Add mount option and atime behavior to the doc 2020-04-20 17:01:34 +02:00
xfs-delayed-logging-design.rst docs: filesystems: convert xfs-delayed-logging-design.txt to ReST 2020-05-05 09:22:24 -06:00
xfs-self-describing-metadata.rst New code for 5.8: 2020-06-02 19:21:40 -07:00
zonefs.rst zonefs: document the explicit-open mount option 2020-09-15 18:32:58 +09:00