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Thomas Gleixner c2141dac11 fs: dcache: Use cpu_chill() in trylock loops 
Retry loops on RT might loop forever when the modifying side was
preempted. Use cpu_chill() instead of cpu_relax() to let the system
make progress.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
 		2020-10-14 00:59:19 +03:00
..
9p Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-01-28 08:38:04 -08:00
adfs adfs: delayed freeing of sbi 2013-10-24 23:43:27 -04:00
affs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
afs afs: proc cells and rootcell are writeable 2014-02-01 10:59:39 -08:00
autofs4 fs: dcache: Use cpu_chill() in trylock loops 2020-10-14 00:59:19 +03:00
befs befs: iget_locked() doesn't return an ERR_PTR 2014-01-25 03:14:38 -05:00
bfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
btrfs btrfs: cleanup orphans while looking up default subvolume 2015-06-22 17:01:24 -07:00
cachefiles Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-11-13 15:34:18 +09:00
ceph move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
cifs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
coda move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
configfs configfs: fix race between dentry put and lookup 2013-11-21 16:42:27 -08:00
cramfs mm: remove read_cache_page_async() 2014-11-21 09:23:06 -08:00
debugfs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
devpts devpts: plug the memory leak in kill_sb 2013-11-13 12:09:36 +09:00
dlm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
ecryptfs eCryptfs: Remove buggy and unnecessary write in file name decode routine 2015-01-08 10:00:51 -08:00
efivarfs consolidate simple ->d_delete() instances 2013-11-15 22:04:17 -05:00
efs efs: get rid of ->put_super() 2014-01-25 03:13:02 -05:00
exofs exofs: Print less in r4w 2014-01-23 18:54:14 +02:00
exportfs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
ext2 ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
ext3 ext3: Don't check quota format when there are no quota files 2014-11-14 09:00:09 -08:00
ext4 ext4: check for zero length extent explicitly 2015-06-06 08:19:36 -07:00
f2fs mm: non-atomically mark page accessed during page cache allocation where possible 2015-01-29 17:40:52 -08:00
fat fat: rcu-delay unloading nls and freeing sbi 2013-10-24 23:43:28 -04:00
freevxfs
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fscache FS-Cache: Handle removal of unadded object to the fscache_object_list rb tree 2014-02-17 13:47:35 -08:00
fuse fuse: notify: don't move pages 2015-03-26 15:06:53 +01:00
gfs2 mm: non-atomically mark page accessed during page cache allocation where possible 2015-01-29 17:40:52 -08:00
hfs fs/hfs/btree.h: remove duplicate defines 2013-11-13 12:09:32 +09:00
hfsplus hfsplus: fix B-tree corruption after insertion at position 0 2015-04-13 14:03:03 +02:00
hostfs um: hostfs: make functions static 2014-01-26 11:51:09 +01:00
hpfs hpfs: optimize quad buffer loading 2014-02-02 16:24:07 -08:00
hppfs
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hugetlbfs hugetlb: ensure hugepage access is denied if hugepages are not supported 2014-10-09 12:21:27 -07:00
isofs isofs: Fix unchecked printing of ER records 2015-01-08 10:00:49 -08:00
jbd fs, jbd: pull your plug when waiting for space 2020-10-14 00:59:18 +03:00
jbd2 fs: jbd2: pull your plug when waiting for space 2020-10-14 00:59:18 +03:00
jffs2 jffs2: fix handling of corrupted summary length 2015-03-06 14:43:32 -08:00
jfs jfs: set i_ctime when setting ACL 2014-02-13 15:56:05 -06:00
kernfs kernfs: add back missing error check in kernfs_fop_mmap() 2014-06-07 10:28:08 -07:00
lockd LOCKD: Fix a race when initialising nlmsvc_timeout 2015-01-27 08:18:58 -08:00
logfs Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
minix fs/minix: Drop dependency on H8300 2013-09-16 18:20:25 -07:00
ncpfs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
nfs move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
nfs_common
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nfsd nfsd4: fix xdr4 inclusion of escaped char 2015-01-16 06:59:33 -08:00
nilfs2 nilfs2: fix sanity check of btree level in nilfs_btree_root_broken() 2015-05-17 09:53:49 -07:00
nls nls: have register_nls() set ->owner 2014-01-25 03:14:05 -05:00
notify move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
ntfs fs: ntfs: disable interrupt only on !RT 2020-10-14 00:59:18 +03:00
ocfs2 ocfs2: dlm: fix race between purge and get lock resource 2015-05-17 09:53:49 -07:00
omfs fs, omfs: add NULL terminator in the end up the token list 2015-06-06 08:19:31 -07:00
openpromfs
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proc proc/pagemap: walk page tables under pte lock 2015-04-29 10:31:56 +02:00
pstore pstore: Fix NULL pointer fault if get NULL prz in ramoops_get_next_prz 2015-02-05 22:35:52 -08:00
qnx4 qnx4: clean qnx4_fill_super() up 2014-01-25 03:13:03 -05:00
qnx6
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quota quota: Properly return errors from dquot_writeback_dquots() 2014-11-14 09:00:09 -08:00
ramfs fs/ramfs: move ramfs_aops to inode.c 2014-01-23 16:36:58 -08:00
reiserfs reiserfs: call truncate_setsize under tailpack mutex 2014-07-06 18:57:29 -07:00
romfs romfs: fix returm err while getting inode in fill_super 2014-01-23 16:37:04 -08:00
squashfs Squashfs: fix failure to unlock pages on decompress error 2013-11-24 01:02:50 +00:00
sysfs sysfs: make sure read buffer is zeroed 2014-06-07 10:28:24 -07:00
sysv sysv: Add forgotten superblock lock init for v7 fs 2013-09-29 22:02:02 -04:00
ubifs UBIFS: fix free log space calculation 2014-11-14 08:59:46 -08:00
udf udf: Verify symlink size before loading it 2015-01-08 10:00:50 -08:00
ufs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
xfs xfs: Fix quota type in quota structures when reusing quota file 2015-03-06 14:43:31 -08:00
Kconfig fs: remove generic_acl 2014-01-26 08:26:40 -05:00
Kconfig.binfmt
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Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-01-28 08:38:04 -08:00
aio.c ioctx_alloc(): fix vma (and file) leak on failure 2015-04-19 10:11:09 +02:00
anon_inodes.c vfs: Allocate anon_inode_inode in anon_inode_init() 2014-03-27 09:52:54 -07:00
attr.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:40:32 -07:00
bad_inode.c
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binfmt_aout.c dump_skip(): dump_seek() replacement taking coredump_params 2013-11-09 00:16:26 -05:00
binfmt_elf.c fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings 2015-06-06 08:19:40 -07:00
binfmt_elf_fdpic.c elf{,_fdpic} coredump: get rid of pointless if (siginfo->si_signo) 2013-11-09 00:16:30 -05:00
binfmt_em86.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
binfmt_flat.c
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binfmt_misc.c
…
binfmt_script.c
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binfmt_som.c
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bio-integrity.c bio-integrity: Drop bio_integrity_verify BUG_ON in post bip->bip_iter world 2014-02-21 15:56:36 -08:00
bio.c block: Fix cloning of discard/write same bios 2014-02-11 08:40:45 -07:00
block_dev.c a trivial writeback fix 2013-09-13 23:06:40 -04:00
buffer.c buffer_head: Replace bh_uptodate_lock for -rt 2020-10-14 00:59:11 +03:00
char_dev.c Merge branch 'for-3.13/core' of git://git.kernel.dk/linux-block 2013-11-14 12:08:14 +09:00
compat.c
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compat_binfmt_elf.c
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compat_ioctl.c fs/compat_ioctl.c: fix an underflow issue (harmless) 2014-01-21 16:19:42 -08:00
coredump.c coredump: fix the setting of PF_DUMPCORE 2014-07-31 12:52:56 -07:00
dcache.c fs: dcache: Use cpu_chill() in trylock loops 2020-10-14 00:59:19 +03:00
dcookies.c fs/compat: fix lookup_dcookie() parameter handling 2014-01-29 16:22:40 -08:00
direct-io.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
drop_caches.c shrinker: add node awareness 2013-09-10 18:56:31 -04:00
eventfd.c eventfd_ctx_fdget(): use fdget() instead of fget() 2014-01-25 03:13:04 -05:00
eventpoll.c epoll.patch 2020-10-14 00:59:18 +03:00
exec.c mm: Protect activate_mm() by preempt_[disable&enable]_rt() 2020-10-14 00:59:18 +03:00
fcntl.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
fhandle.c vfs: read file_handle only once in handle_to_path 2015-06-06 08:19:40 -07:00
file.c vfs: Don't let __fdget_pos() get FMODE_PATH files 2014-03-23 00:03:12 -04:00
file_table.c don't bother with {get,put}_write_access() on non-regular files 2014-05-31 13:20:29 -07:00
filesystems.c
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fs-writeback.c writeback: fix a subtle race condition in I_DIRTY clearing 2015-01-16 06:59:32 -08:00
fs_struct.c seqcount: Add lockdep functionality to seqcount/seqlock structures 2013-11-06 12:40:26 +01:00
inode.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:40:32 -07:00
internal.h get rid of s_files and files_lock 2013-11-09 00:16:20 -05:00
ioctl.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
ioprio.c block: Fix computation of merged request priority 2014-11-21 09:23:03 -08:00
libfs.c move d_rcu from overlapping d_child to overlapping d_alias 2015-04-29 10:31:54 +02:00
locks.c locks: eliminate BUG() call when there's an unexpected lock on file close 2014-12-06 15:55:39 -08:00
mbcache.c fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
mount.h switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
mpage.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
namei.c RCU pathwalk breakage when running into a symlink overmounting something 2015-05-06 21:59:20 +02:00
namespace.c fs: dcache: Use cpu_chill() in trylock loops 2020-10-14 00:59:19 +03:00
no-block.c
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open.c NFS: fix BUG() crash in notify_change() with patch to chown_common() 2015-05-06 21:59:11 +02:00
pipe.c pipe: iovec: Fix memory corruption when retrying atomic copy as non-atomic 2015-06-29 12:25:37 -07:00
pnode.c get rid of propagate_umount() mistakenly treating slaves as busy. 2014-09-17 09:19:22 -07:00
pnode.h smarter propagate_mnt() 2014-05-06 07:59:36 -07:00
posix_acl.c posix_acl: handle NULL ACL in posix_acl_equiv_mode 2014-06-07 10:28:16 -07:00
proc_namespace.c fs/proc_namespace.c: simplify testing nsp and nsp->mnt_ns 2014-01-23 16:37:02 -08:00
read_write.c vfs: atomic f_pos access in llseek() 2014-03-23 00:03:12 -04:00
readdir.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
select.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-11-13 15:34:18 +09:00
seq_file.c seq_file: always clear m->count when we free m->buf 2013-11-18 19:07:53 -08:00
signalfd.c
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splice.c fuse: fix pipe_buf_operations 2014-01-22 19:36:57 +01:00
stack.c
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stat.c vfs: split out vfs_getattr_nosec 2013-11-09 00:16:31 -05:00
statfs.c vfs: allow O_PATH file descriptors for fstatfs() 2013-10-12 13:12:31 -07:00
super.c fs/superblock: avoid locking counting inodes and dentries before reclaiming them 2014-11-21 09:23:07 -08:00
sync.c Revert "writeback: do not sync data dirtied after sync start" 2014-02-22 02:02:28 +01:00
timerfd.c timer-fd: Prevent live lock 2020-10-14 00:59:13 +03:00
utimes.c locks: break delegations on any attribute modification 2013-11-09 00:16:44 -05:00
xattr.c
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