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Theodore Ts'o d2eecb0393 ext4: Use slab allocator for sub-page sized allocations

Now that the SLUB seems to be fixed so that it respects the requested
alignment, use kmem_cache_alloc() to allocator if the block size of
the buffer heads to be allocated is less than the page size.
Previously, we were using 16k page on a Power system for each buffer,
even when the file system was using 1k or 4k block size.

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

2009-12-07 10:36:20 -05:00

checkpoint.c

ext4: Add new tracepoint for jbd2_cleanup_journal_tail

2009-12-23 07:45:44 -05:00

commit.c

ext4, jbd2: Add barriers for file systems with exernal journals

2009-12-23 06:52:08 -05:00

journal.c

ext4: Use slab allocator for sub-page sized allocations

2009-12-07 10:36:20 -05:00

Kconfig

Revert "task_struct: make journal_info conditional"