linux/fs/notify
Eric Sandeen 04646aebd3 fs: avoid softlockups in s_inodes iterators
Anything that walks all inodes on sb->s_inodes list without rescheduling
risks softlockups.

Previous efforts were made in 2 functions, see:

c27d82f fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
ac05fbb inode: don't softlockup when evicting inodes

but there hasn't been an audit of all walkers, so do that now.  This
also consistently moves the cond_resched() calls to the bottom of each
loop in cases where it already exists.

One loop remains: remove_dquot_ref(), because I'm not quite sure how
to deal with that one w/o taking the i_lock.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-12-18 00:03:01 -05:00
..
dnotify selinux/stable-5.4 PR 20190917 2019-09-23 11:21:04 -07:00
fanotify compat_ioctl: move more drivers to compat_ptr_ioctl 2019-10-23 17:23:44 +02:00
inotify selinux/stable-5.4 PR 20190917 2019-09-23 11:21:04 -07:00
fdinfo.c fsnotify/fdinfo: exportfs_encode_inode_fh() takes pointer as 4th argument 2019-10-17 10:32:59 +02:00
fdinfo.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fsnotify.c fs: avoid softlockups in s_inodes iterators 2019-12-18 00:03:01 -05:00
fsnotify.h fsnotify: move declaration of fsnotify_mark_connector_cachep to fsnotify.h 2019-10-17 10:31:12 +02:00
group.c notify: export symbols for use by the knfsd file cache 2019-08-19 11:00:39 -04:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mark.c notify: export symbols for use by the knfsd file cache 2019-08-19 11:00:39 -04:00
notification.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00