freebsd-dev/sys/fs
Mateusz Guzik e3e10c39f1 tmpfs: skip zero-sized page count updates
Such updates consisted of vast majority of modificiations, especially
in tmpfs_reg_resize.

For the case where page count did no change and the size grew we only
need to update tn_size. Use this fact to avoid vm object lock/relock.

MFC after:	1 week
2017-09-30 18:23:45 +00:00
..
autofs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
cd9660 Consistently use vop_stdpathconf() for default pathconf values. 2017-07-11 21:55:20 +00:00
cuse Minor code optimisation. 2017-05-31 21:05:24 +00:00
deadfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
devfs Only handle _PC_MAX_CANON, _PC_MAX_INPUT, and _PC_VDISABLE for TTY devices. 2017-09-21 23:05:32 +00:00
ext2fs Add check to avoid raw inode iblocks fields overflow in case of huge_file feature. 2017-09-27 16:12:13 +00:00
fdescfs Implement proper Linux /dev/fd and /proc/self/fd behavior by adding 2017-08-01 03:40:19 +00:00
fifofs Consistently use vop_stdpathconf() for default pathconf values. 2017-07-11 21:55:20 +00:00
fuse Complete support for IO_APPEND flag in fuse 2017-06-28 13:56:15 +00:00
msdosfs Style. 2017-08-28 21:04:56 +00:00
nandfs Consistently use vop_stdpathconf() for default pathconf values. 2017-07-11 21:55:20 +00:00
nfs Add support for Flex File Layout to the pNFS client structures. 2017-09-29 23:13:01 +00:00
nfsclient Change nfsv4_getipaddr() and nfsrpc_fillsa() to not use sockaddr_storage. 2017-09-28 22:33:01 +00:00
nfsserver Change a panic to an error return. 2017-09-24 20:05:48 +00:00
nullfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
procfs remove procfs ctl interface 2017-03-05 03:05:24 +00:00
pseudofs Bump the maximum file name length in pseudofs filesystems to 48. 2017-08-03 21:35:53 +00:00
smbfs Mark pages after EOF as clean after pageout. 2017-07-26 20:07:05 +00:00
tmpfs tmpfs: skip zero-sized page count updates 2017-09-30 18:23:45 +00:00
udf On error, bread(9) zeroes buffer pointer, do not dereference it. 2016-11-22 13:24:57 +00:00
unionfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00