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7b2e2a31f5
When copying lsn's from the log item to the inode or dquot flush lsn, we currently grab the AIL lock. We do this because the LSN is a 64 bit quantity and it needs to be read atomically. The lock is used to guarantee atomicity for 32 bit platforms. Make the LSN copying a small function, and make the function used conditional on BITS_PER_LONG so that 64 bit machines don't need to take the AIL lock in these places. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32349a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> |
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xfs_dquot_item.c | ||
xfs_dquot_item.h | ||
xfs_dquot.c | ||
xfs_dquot.h | ||
xfs_qm_bhv.c | ||
xfs_qm_stats.c | ||
xfs_qm_stats.h | ||
xfs_qm_syscalls.c | ||
xfs_qm.c | ||
xfs_qm.h | ||
xfs_quota_priv.h | ||
xfs_trans_dquot.c |