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authorTheodore Ts'o <tytso@mit.edu>2010-08-03 21:35:12 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-08-03 21:35:12 -0400
commita931da6ac9331a6c80dd91c199105806f2336188 (patch)
tree2d4ea766def9a98d21c2379f41e796b0e57ccd6b /fs/fcntl.c
parenta51dca9cd3bb4ec5a05bfb6feabf024a5c808a37 (diff)
jbd2: Change j_state_lock to be a rwlock_t
Lockstat reports have shown that j_state_lock is a major source of lock contention, especially on systems with more than 4 CPU cores. So change it to be a read/write spinlock. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/fcntl.c')
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