Git Repo - linux.git/commit

]> Git Repo - linux.git/commit

author	Theodore Ts'o <[email protected]>
	Thu, 9 Nov 2017 03:23:20 +0000 (22:23 -0500)
committer	Theodore Ts'o <[email protected]>
	Thu, 9 Nov 2017 03:23:20 +0000 (22:23 -0500)
commit	232530680290ba94ca37852ab10d9556ea28badf
tree	cf23ba2b6c563adc685f3b9fee830ac7d202546c	tree \| snapshot
parent	d77147ff443b255d82c907a632c825b2cc610b10	commit \| diff

ext4: improve smp scalability for inode generation

->s_next_generation is protected by s_next_gen_lock but its usage
pattern is very primitive. We don't actually need sequentially
increasing new generation numbers, so let's use prandom_u32() instead.

Reported-by: Dmitry Monakhov <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>

fs/ext4/ext4.h		diff \| blob \| blame \| history
fs/ext4/ialloc.c		diff \| blob \| blame \| history
fs/ext4/ioctl.c		diff \| blob \| blame \| history
fs/ext4/super.c		diff \| blob \| blame \| history

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