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| author | Dave Chinner <dchinner@redhat.com> | 2010-12-04 00:02:40 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2010-12-04 00:02:40 +1100 |
| commit | c8a09ff8ca2235bccdaea8a52fbd5349646a8ba4 (patch) | |
| tree | a06b4fa59672fd6fa9dd884e1e0bc746adc011b6 /fs/xfs/xfs_log.c | |
| parent | 1c3cb9ec07fabf0c0970adc46fd2a1f09c1186dd (diff) | |
| download | op-kernel-dev-c8a09ff8ca2235bccdaea8a52fbd5349646a8ba4.zip op-kernel-dev-c8a09ff8ca2235bccdaea8a52fbd5349646a8ba4.tar.gz | |
xfs: convert log grant heads to atomic variables
Convert the log grant heads to atomic64_t types in preparation for
converting the accounting algorithms to atomic operations. his patch
just converts the variables; the algorithmic changes are in a
separate patch for clarity.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_log.c')
| -rw-r--r-- | fs/xfs/xfs_log.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index d118bf8..a1d7d12 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -47,7 +47,7 @@ STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp, xfs_buftarg_t *log_target, xfs_daddr_t blk_offset, int num_bblks); -STATIC int xlog_space_left(struct log *log, int64_t *head); +STATIC int xlog_space_left(struct log *log, atomic64_t *head); STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog); STATIC void xlog_dealloc_log(xlog_t *log); @@ -100,7 +100,7 @@ STATIC int xlog_iclogs_empty(xlog_t *log); static void xlog_grant_sub_space( struct log *log, - int64_t *head, + atomic64_t *head, int bytes) { int cycle, space; @@ -119,7 +119,7 @@ xlog_grant_sub_space( static void xlog_grant_add_space( struct log *log, - int64_t *head, + atomic64_t *head, int bytes) { int tmp; @@ -816,7 +816,7 @@ xlog_assign_tail_lsn( STATIC int xlog_space_left( struct log *log, - int64_t *head) + atomic64_t *head) { int free_bytes; int tail_bytes; |
