tree: git://git.cmpxchg.org/linux-mmotm.git master
head: d96a8a235309d25e8aad738bda343d6196ab4542
commit: d52139c08f82d26028b2659c4a5ae91f6ea47956 [26/204] ocfs2: fix deadlocks when taking inode lock at vfs entry points
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout d52139c08f82d26028b2659c4a5ae91f6ea47956
# save the attached .config to linux build tree
make.cross ARCH=arm
All errors (new ones prefixed by >>):
In file included from fs/ocfs2/file.c:49:0:
fs/ocfs2/file.c: In function 'ocfs2_permission':
>> fs/ocfs2/dlmglue.h:189:29: error: inlining failed in call to always_inline 'ocfs2_is_locked_by_me': function body not available
inline struct ocfs2_holder *ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres);
^~~~~~~~~~~~~~~~~~~~~
fs/ocfs2/file.c:1345:16: note: called from here
has_locked = (ocfs2_is_locked_by_me(lockres) != NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/file.c:49:0:
>> fs/ocfs2/dlmglue.h:189:29: error: inlining failed in call to always_inline 'ocfs2_is_locked_by_me': function body not available
inline struct ocfs2_holder *ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres);
^~~~~~~~~~~~~~~~~~~~~
fs/ocfs2/file.c:1345:16: note: called from here
has_locked = (ocfs2_is_locked_by_me(lockres) != NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/file.c:49:0:
>> fs/ocfs2/dlmglue.h:185:13: error: inlining failed in call to always_inline 'ocfs2_add_holder': function body not available
inline void ocfs2_add_holder(struct ocfs2_lock_res *lockres,
^~~~~~~~~~~~~~~~
fs/ocfs2/file.c:1353:3: note: called from here
ocfs2_add_holder(lockres, &oh);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/file.c:49:0:
>> fs/ocfs2/dlmglue.h:187:13: error: inlining failed in call to always_inline 'ocfs2_remove_holder': function body not available
inline void ocfs2_remove_holder(struct ocfs2_lock_res *lockres,
^~~~~~~~~~~~~~~~~~~
fs/ocfs2/file.c:1359:3: note: called from here
ocfs2_remove_holder(lockres, &oh);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from fs/ocfs2/acl.c:31:0:
fs/ocfs2/acl.c: In function 'ocfs2_iop_set_acl':
>> fs/ocfs2/dlmglue.h:189:29: error: inlining failed in call to always_inline 'ocfs2_is_locked_by_me': function body not available
inline struct ocfs2_holder *ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres);
^~~~~~~~~~~~~~~~~~~~~
fs/ocfs2/acl.c:292:16: note: called from here
has_locked = (ocfs2_is_locked_by_me(lockres) != NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/acl.c:31:0:
>> fs/ocfs2/dlmglue.h:189:29: error: inlining failed in call to always_inline 'ocfs2_is_locked_by_me': function body not available
inline struct ocfs2_holder *ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres);
^~~~~~~~~~~~~~~~~~~~~
fs/ocfs2/acl.c:292:16: note: called from here
has_locked = (ocfs2_is_locked_by_me(lockres) != NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/acl.c:31:0:
>> fs/ocfs2/dlmglue.h:185:13: error: inlining failed in call to always_inline 'ocfs2_add_holder': function body not available
inline void ocfs2_add_holder(struct ocfs2_lock_res *lockres,
^~~~~~~~~~~~~~~~
fs/ocfs2/acl.c:302:3: note: called from here
ocfs2_add_holder(lockres, &oh);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from fs/ocfs2/acl.c:31:0:
>> fs/ocfs2/dlmglue.h:187:13: error: inlining failed in call to always_inline 'ocfs2_remove_holder': function body not available
inline void ocfs2_remove_holder(struct ocfs2_lock_res *lockres,
^~~~~~~~~~~~~~~~~~~
fs/ocfs2/acl.c:307:3: note: called from here
ocfs2_remove_holder(lockres, &oh);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/ocfs2_is_locked_by_me +189 fs/ocfs2/dlmglue.h
63e0c48a Joel Becker 2008-01-30 179 void ocfs2_set_locking_protocol(void);
242359b9 Eric Ren 2017-01-12 180
242359b9 Eric Ren 2017-01-12 181 /*
242359b9 Eric Ren 2017-01-12 182 * Keep a list of processes who have interest in a lockres.
242359b9 Eric Ren 2017-01-12 183 * Note: this is now only uesed for check recursive cluster lock.
242359b9 Eric Ren 2017-01-12 184 */
242359b9 Eric Ren 2017-01-12 @185 inline void ocfs2_add_holder(struct ocfs2_lock_res *lockres,
242359b9 Eric Ren 2017-01-12 186 struct ocfs2_holder *oh);
242359b9 Eric Ren 2017-01-12 @187 inline void ocfs2_remove_holder(struct ocfs2_lock_res *lockres,
242359b9 Eric Ren 2017-01-12 188 struct ocfs2_holder *oh);
242359b9 Eric Ren 2017-01-12 @189 inline struct ocfs2_holder *ocfs2_is_locked_by_me(struct ocfs2_lock_res *lockres);
242359b9 Eric Ren 2017-01-12 190
ccd979bd Mark Fasheh 2005-12-15 191 #endif /* DLMGLUE_H */
:::::: The code at line 189 was first introduced by commit
:::::: 242359b9dabc564809bcc0a31cc697e26304abe2 ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
:::::: TO: Eric Ren <zren@xxxxxxxx>
:::::: CC: Johannes Weiner <hannes@xxxxxxxxxxx>
---
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