On Thu 10-01-13 13:47:57, Miao Xie wrote:
writeback_inodes_sb(_nr)_if_idle() is re-implemented by replacing down_read()
with down_read_trylock() because
- If -s_umount is write locked, then the sb is not idle. That is
writeback_inodes_sb(_nr)_if_idle() needn't wait for the lock.
-
On Fri, Jan 11, 2013 at 09:12:11PM +0100, Jan Kara wrote:
On Thu 10-01-13 13:47:57, Miao Xie wrote:
writeback_inodes_sb(_nr)_if_idle() is re-implemented by replacing
down_read()
with down_read_trylock() because
- If -s_umount is write locked, then the sb is not idle. That is
writeback_inodes_sb(_nr)_if_idle() is re-implemented by replacing down_read()
with down_read_trylock() because
- If -s_umount is write locked, then the sb is not idle. That is
writeback_inodes_sb(_nr)_if_idle() needn't wait for the lock.
- writeback_inodes_sb(_nr)_if_idle() grabs s_umount lock