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| /openbmc/linux/fs/f2fs/ |
| H A D | node.c | diff 8b26ef98da3387eb57a8a5c1747c6e628948ee0c Wed Dec 03 23:15:10 CST 2014 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: use rw_semaphore for nat entry lock
Previoulsy, we used rwlock for nat_entry lock.
But, now we have a lot of complex operations in set_node_addr.
(e.g., allocating kernel memories, handling radix_trees, and so on)
So, this patches tries to change spinlock to rw_semaphore to give CPUs to other
threads.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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| H A D | f2fs.h | diff 8b26ef98da3387eb57a8a5c1747c6e628948ee0c Wed Dec 03 23:15:10 CST 2014 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: use rw_semaphore for nat entry lock
Previoulsy, we used rwlock for nat_entry lock.
But, now we have a lot of complex operations in set_node_addr.
(e.g., allocating kernel memories, handling radix_trees, and so on)
So, this patches tries to change spinlock to rw_semaphore to give CPUs to other
threads.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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