ext4: tune mballoc's default group prealloc size for bigalloc file systems

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The default group preallocation size had been previously set to 512
blocks/clusters, regardless of the block/cluster size.  This is
probably too big for large cluster sizes.  So adjust the default so
that it is 2 megabytes or 32 clusters, whichever is larger.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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This commit is contained in:

Theodore Ts'o 2011-09-09 19:02:51 -04:00

parent f975d6bcc7

commit 27baebb849

1 changed files with 16 additions and 2 deletions

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fs/ext4/mballoc.c

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