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GFS2: Switch tr_touched to flag in transaction

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This patch eliminates the int variable tr_touched in favor of a
new flag in the transaction. This is a step toward reducing contention
on the gfs2_log_lock spin_lock.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
This commit is contained in:
Bob Peterson
2017-01-25 12:50:47 -05:00
parent b63f5e8482
commit 9862ca056e
4 changed files with 23 additions and 18 deletions
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10
fs/gfs2/incore.h
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@@ -470,15 +470,19 @@ struct gfs2_quota_data {
struct rcu_head qd_rcu;
};
enum {
TR_TOUCHED = 1,
TR_ATTACHED = 2,
TR_ALLOCED = 3,
};
struct gfs2_trans {
unsigned long tr_ip;
unsigned int tr_blocks;
unsigned int tr_revokes;
unsigned int tr_reserved;
unsigned int tr_touched:1;
unsigned int tr_attached:1;
unsigned int tr_alloced:1;
unsigned long tr_flags;
unsigned int tr_num_buf_new;
unsigned int tr_num_databuf_new;