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gfs2: initialize transaction tr_ailX_lists earlier

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Since transactions may be freed shortly after they're created, before
a log_flush occurs, we need to initialize their ail1 and ail2 lists
earlier. Before this patch, the ail1 list was initialized in gfs2_log_flush().
This moves the initialization to the point when the transaction is first
created.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Bob Peterson 2020-06-05 14:12:34 -05:00 committed by Andreas Gruenbacher
parent d5dc3d9677
commit cbcc89b630
3 changed files with 4 additions and 2 deletions
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2
fs/gfs2/glops.c
View File

@ -91,6 +91,8 @@ static int gfs2_ail_empty_gl(struct gfs2_glock *gl)
memset(&tr, 0, sizeof(tr));
INIT_LIST_HEAD(&tr.tr_buf);
INIT_LIST_HEAD(&tr.tr_databuf);
INIT_LIST_HEAD(&tr.tr_ail1_list);
INIT_LIST_HEAD(&tr.tr_ail2_list);
tr.tr_revokes = atomic_read(&gl->gl_ail_count);
if (!tr.tr_revokes) {

2
fs/gfs2/log.c
View File

@ -933,8 +933,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
tr = sdp->sd_log_tr;
if (tr) {
sdp->sd_log_tr = NULL;
INIT_LIST_HEAD(&tr->tr_ail1_list);
INIT_LIST_HEAD(&tr->tr_ail2_list);
tr->tr_first = sdp->sd_log_flush_head;
if (unlikely (state == SFS_FROZEN))
if (gfs2_assert_withdraw_delayed(sdp,

2
fs/gfs2/trans.c
View File

@ -52,6 +52,8 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
tr->tr_reserved += gfs2_struct2blk(sdp, revokes);
INIT_LIST_HEAD(&tr->tr_databuf);
INIT_LIST_HEAD(&tr->tr_buf);
INIT_LIST_HEAD(&tr->tr_ail1_list);
INIT_LIST_HEAD(&tr->tr_ail2_list);
sb_start_intwrite(sdp->sd_vfs);