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yaml
---
r: 76031
b: refs/heads/master
c: fd041f0
h: refs/heads/master
i:
  76029: a0f7571
  76027: 6421537
  76023: ce9abc7
  76015: b510d08
  75999: 19844ec
  75967: 4b4532c
  75903: a14abbb
  75775: 83ddbd3
v: v3
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Steven Whitehouse committed Jan 25, 2008
1 parent 29d6684 commit 8e74306
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Showing 4 changed files with 17 additions and 17 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2bcd610d2fdea608a8fdac32788fc35a32a2327c
refs/heads/master: fd041f0b4045db8646b36d393cbb274db60649f5
2 changes: 1 addition & 1 deletion trunk/fs/gfs2/incore.h
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Original file line number Diff line number Diff line change
Expand Up @@ -595,7 +595,7 @@ struct gfs2_sbd {
struct list_head sd_log_le_databuf;
struct list_head sd_log_le_ordered;

unsigned int sd_log_blks_free;
atomic_t sd_log_blks_free;
struct mutex sd_log_reserve_mutex;

u64 sd_log_sequence;
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26 changes: 13 additions & 13 deletions trunk/fs/gfs2/log.c
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Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,7 @@ int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks)

mutex_lock(&sdp->sd_log_reserve_mutex);
gfs2_log_lock(sdp);
while(sdp->sd_log_blks_free <= (blks + reserved_blks)) {
while(atomic_read(&sdp->sd_log_blks_free) <= (blks + reserved_blks)) {
gfs2_log_unlock(sdp);
gfs2_ail1_empty(sdp, 0);
gfs2_log_flush(sdp, NULL);
Expand All @@ -310,7 +310,7 @@ int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks)
gfs2_ail1_start(sdp, 0);
gfs2_log_lock(sdp);
}
sdp->sd_log_blks_free -= blks;
atomic_sub(blks, &sdp->sd_log_blks_free);
gfs2_log_unlock(sdp);
mutex_unlock(&sdp->sd_log_reserve_mutex);

Expand All @@ -330,9 +330,9 @@ void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
{

gfs2_log_lock(sdp);
sdp->sd_log_blks_free += blks;
atomic_add(blks, &sdp->sd_log_blks_free);
gfs2_assert_withdraw(sdp,
sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks);
atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
gfs2_log_unlock(sdp);
up_read(&sdp->sd_log_flush_lock);
}
Expand Down Expand Up @@ -559,8 +559,8 @@ static void log_pull_tail(struct gfs2_sbd *sdp, unsigned int new_tail)
ail2_empty(sdp, new_tail);

gfs2_log_lock(sdp);
sdp->sd_log_blks_free += dist;
gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free <= sdp->sd_jdesc->jd_blocks);
atomic_add(dist, &sdp->sd_log_blks_free);
gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <= sdp->sd_jdesc->jd_blocks);
gfs2_log_unlock(sdp);

sdp->sd_log_tail = new_tail;
Expand Down Expand Up @@ -733,7 +733,7 @@ void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
log_flush_commit(sdp);
else if (sdp->sd_log_tail != current_tail(sdp) && !sdp->sd_log_idle){
gfs2_log_lock(sdp);
sdp->sd_log_blks_free--; /* Adjust for unreserved buffer */
atomic_dec(&sdp->sd_log_blks_free); /* Adjust for unreserved buffer */
gfs2_log_unlock(sdp);
log_write_header(sdp, 0, PULL);
}
Expand Down Expand Up @@ -773,12 +773,12 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
sdp->sd_log_commited_revoke += tr->tr_num_revoke - tr->tr_num_revoke_rm;
gfs2_assert_withdraw(sdp, ((int)sdp->sd_log_commited_revoke) >= 0);
reserved = calc_reserved(sdp);
old = sdp->sd_log_blks_free;
sdp->sd_log_blks_free += tr->tr_reserved -
(reserved - sdp->sd_log_blks_reserved);
old = atomic_read(&sdp->sd_log_blks_free);
atomic_add(tr->tr_reserved - (reserved - sdp->sd_log_blks_reserved),
&sdp->sd_log_blks_free);

gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free >= old);
gfs2_assert_withdraw(sdp, sdp->sd_log_blks_free <=
gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) >= old);
gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <=
sdp->sd_jdesc->jd_blocks);

sdp->sd_log_blks_reserved = reserved;
Expand Down Expand Up @@ -831,7 +831,7 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp)
log_write_header(sdp, GFS2_LOG_HEAD_UNMOUNT,
(sdp->sd_log_tail == current_tail(sdp)) ? 0 : PULL);

gfs2_assert_warn(sdp, sdp->sd_log_blks_free == sdp->sd_jdesc->jd_blocks);
gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);
gfs2_assert_warn(sdp, sdp->sd_log_head == sdp->sd_log_tail);
gfs2_assert_warn(sdp, list_empty(&sdp->sd_ail2_list));

Expand Down
4 changes: 2 additions & 2 deletions trunk/fs/gfs2/ops_fstype.c
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Original file line number Diff line number Diff line change
Expand Up @@ -339,7 +339,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)

if (sdp->sd_args.ar_spectator) {
sdp->sd_jdesc = gfs2_jdesc_find(sdp, 0);
sdp->sd_log_blks_free = sdp->sd_jdesc->jd_blocks;
atomic_set(&sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks);
} else {
if (sdp->sd_lockstruct.ls_jid >= gfs2_jindex_size(sdp)) {
fs_err(sdp, "can't mount journal #%u\n",
Expand Down Expand Up @@ -376,7 +376,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
sdp->sd_jdesc->jd_jid, error);
goto fail_jinode_gh;
}
sdp->sd_log_blks_free = sdp->sd_jdesc->jd_blocks;
atomic_set(&sdp->sd_log_blks_free, sdp->sd_jdesc->jd_blocks);
}

if (sdp->sd_lockstruct.ls_first) {
Expand Down

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