linux-stable/Documentation/filesystems
Jeff Layton 65c8fef215 locks: print a warning when mount fails due to lack of "mand" support
[ Upstream commit df2474a22c ]

Since 9e8925b67a ("locks: Allow disabling mandatory locking at compile
time"), attempts to mount filesystems with "-o mand" will fail.
Unfortunately, there is no other indiciation of the reason for the
failure.

Change how the function is defined for better readability. When
CONFIG_MANDATORY_FILE_LOCKING is disabled, printk a warning when
someone attempts to mount with -o mand.

Also, add a blurb to the mandatory-locking.txt file to explain about
the "mand" option, and the behavior one should expect when it is
disabled.

Reported-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-26 08:37:10 -04:00
..
caching fscache: remove unused ->now_uncached callback 2017-09-06 17:27:26 -07:00
cifs CIFS/SMB3: Update documentation to reflect SMB3 and various changes 2017-09-17 10:48:00 -05:00
configfs fs: configfs: don't return anything from drop_link 2016-12-01 10:50:49 +01:00
nfs doc: ReSTify keys-request-key.txt 2017-05-18 10:33:51 -06:00
pohmelfs
00-INDEX logfs: remove from tree 2016-12-14 23:48:11 -05:00
9p.txt
Locking vfs: add flags to d_real() 2017-09-04 21:42:22 +02:00
adfs.txt
affs.txt affs: fix basic permission bits to actually work 2020-09-09 19:03:12 +02:00
afs.txt rxrpc: Change module filename to rxrpc.ko 2017-02-17 15:09:19 -05:00
autofs4-mount-control.txt autofs: update ioctl documentation regarding struct autofs_dev_ioctl 2017-02-27 18:43:45 -08:00
autofs4.txt Fix up over-eager 'wait_queue_t' renaming 2017-07-10 11:40:19 -07:00
automount-support.txt
befs.txt
bfs.txt Tigran has moved 2017-05-12 15:57:15 -07:00
btrfs.txt
ceph.txt ceph: set io_pages bdi hint 2017-02-20 12:16:05 +01:00
coda.txt
conf.py docs-rst: convert filesystems book to ReST 2017-05-16 08:44:08 -03:00
cramfs.txt
dax.txt dax: use common 4k zero page for dax mmap reads 2017-09-06 17:27:24 -07:00
debugfs.txt
devpts.txt
directory-locking vfs: remove unused i_op->rename 2016-09-27 11:03:58 +02:00
dlmfs.txt
dnotify.txt
ecryptfs.txt
efivarfs.txt
exofs.txt
ext2.txt
ext3.txt
ext4.txt ext4: correct documentation for grpid mount option 2018-02-22 15:42:26 +01:00
f2fs.txt f2fs: support journalled quota 2017-08-21 15:54:48 -07:00
fiemap.txt
files.txt
fuse.txt
gfs2-glocks.txt
gfs2-uevents.txt
gfs2.txt
hfs.txt
hfsplus.txt
hpfs.txt
index.rst docs-rst: don't ignore internal functions for jbd2 docs 2017-05-16 08:44:09 -03:00
inotify.txt
isofs.txt
jfs.txt
locks.txt docs: fix locations of several documents that got moved 2016-10-24 08:12:35 -02:00
mandatory-locking.txt locks: print a warning when mount fails due to lack of "mand" support 2021-08-26 08:37:10 -04:00
ncpfs.txt
nilfs2.txt
ntfs.txt
ocfs2-online-filecheck.txt
ocfs2.txt
omfs.txt
orangefs.txt orangefs: documentation clean up 2017-09-14 14:54:39 -04:00
overlayfs.txt ovl: fix regression caused by exclusive upper/work dir protection 2017-10-05 15:53:18 +02:00
path-lookup.md
path-lookup.txt
porting cifs_atomic_open(): fix double-put on late allocation failure 2020-03-20 10:54:16 +01:00
proc.txt mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps 2019-01-26 09:37:07 +01:00
qnx6.txt
quota.txt scripts/spelling.txt: add "an user" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
ramfs-rootfs-initramfs.txt
relay.txt
romfs.txt
seq_file.txt
sharedsubtree.txt
spufs.txt
squashfs.txt
sysfs-pci.txt PCI: Add pci_mmap_resource_range() and use it for ARM64 2017-04-20 08:47:47 -05:00
sysfs-tagging.txt
sysfs.txt sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output 2021-03-07 11:27:45 +01:00
sysv-fs.txt
tmpfs.txt Documenation: update cgroup's document path 2016-08-03 15:43:58 -06:00
ubifs.txt
udf.txt
ufs.txt
vfat.txt
vfs.txt Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2017-09-13 09:11:44 -07:00
xfs-delayed-logging-design.txt
xfs-self-describing-metadata.txt
xfs.txt xfs: deprecate barrier/nobarrier mount option 2016-12-09 16:49:54 +11:00