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VFS: increase pseudo-filesystem block size to PAGE_SIZE

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    commit ba52de123d
    Author: Theodore Ts'o <[email protected]>
    Date:   Wed Sep 27 01:50:49 2006 -0700

        [PATCH] inode-diet: Eliminate i_blksize from the inode structure

caused the block size used by pseudo-filesystems to decrease from
PAGE_SIZE to 1024 leading to a doubling of the number of context switches
during a kernbench run.

Signed-off-by: Alex Nixon <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: "Theodore Ts'o" <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: <[email protected]>		[2.6.25.x, 2.6.26.x]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alex Nixon 2008-07-29 22:33:03 -07:00 • committed by Linus Torvalds
commit 3971e1a917
1 changed files with 2 additions and 2 deletions
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4
fs/libfs.c
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@ -216,8 +216,8 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
s->s_flags = MS_NOUSER;
s->s_maxbytes = ~0ULL;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
s->s_blocksize = PAGE_SIZE;
s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = magic;
s->s_op = ops ? ops : &simple_super_operations;
s->s_time_gran = 1;