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freebsd-nq/sys/fs
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Konstantin Belousov 6b56b0ca93 nullfs: ensure correct lock is taken after bypass. 
If lower VOP relocked the lower vnode, it is possible that nullfs
vnode was reclaimed meantime.  In this case nullfs vnode no longer
shares lock with lower vnode, which breaks locking protocol.

Check for the condition and acquire nullfs vnode lock if detected.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2020-10-19 19:23:22 +00:00
..
autofs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
cd9660
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
cuse
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
deadfs
cache: fix vexec panic when racing against vgone
2020-10-09 19:10:00 +00:00
devfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
ext2fs
ext2fs: minor typo.
2020-10-06 21:31:04 +00:00
fdescfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
fifofs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
fuse
fusefs: fix mmap'd writes in direct_io mode
2020-09-24 16:27:53 +00:00
mntfs
Add a new "mntfs" pseudo file system which provides private device vnodes for
2020-03-06 18:41:37 +00:00
msdosfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
nfs
Do not copy vp into f_data for DTYPE_VNODE files.
2020-09-15 21:55:21 +00:00
nfsclient
Modify the NFSv4.2 VOP_COPY_FILE_RANGE() client call to return after one
2020-10-01 00:47:35 +00:00
nfsserver
Bjorn reported a problem where the Linux NFSv4.1 client is
2020-09-26 23:05:38 +00:00
nullfs
nullfs: ensure correct lock is taken after bypass.
2020-10-19 19:23:22 +00:00
procfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
pseudofs
Bump pseudofs size limit from 128kB to 1MB. The old limit could result
2020-10-16 09:58:10 +00:00
smbfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00
tmpfs
vm_ooffset_t is now unsigned
2020-09-18 16:48:08 +00:00
udf
udf: Validate the full file entry length
2020-09-22 17:05:01 +00:00
unionfs
fs: clean up empty lines in .c and .h files
2020-09-01 21:18:40 +00:00