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-rw-r--r--fs/ocfs2/dlmglue.c6
-rw-r--r--fs/ocfs2/quota.h4
-rw-r--r--fs/ocfs2/quota_global.c34
-rw-r--r--fs/ocfs2/quota_local.c64
4 files changed, 60 insertions, 48 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 058aa86490ae..b1c75911d8ad 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3519,7 +3519,7 @@ static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo)
oinfo->dqi_gi.dqi_type);
struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock;
struct ocfs2_qinfo_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
- struct buffer_head *bh;
+ struct buffer_head *bh = NULL;
struct ocfs2_global_disk_dqinfo *gdinfo;
int status = 0;
@@ -3532,8 +3532,8 @@ static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo)
oinfo->dqi_gi.dqi_free_entry =
be32_to_cpu(lvb->lvb_free_entry);
} else {
- bh = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &status);
- if (!bh) {
+ status = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &bh);
+ if (status) {
mlog_errno(status);
goto bail;
}
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index 04872b45b990..7365e2e08706 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -107,8 +107,8 @@ static inline int ocfs2_global_release_dquot(struct dquot *dquot)
int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex);
-struct buffer_head *ocfs2_read_quota_block(struct inode *inode,
- int block, int *err);
+int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+ struct buffer_head **bh);
extern struct dquot_operations ocfs2_quota_operations;
extern struct quota_format_type ocfs2_quota_format;
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 10ecb33298d8..2bdcddd3f1c4 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -87,16 +87,21 @@ struct qtree_fmt_operations ocfs2_global_ops = {
.is_id = ocfs2_global_is_id,
};
-struct buffer_head *ocfs2_read_quota_block(struct inode *inode,
- int block, int *err)
+int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
+ struct buffer_head **bh)
{
- struct buffer_head *tmp = NULL;
+ int rc = 0;
+ struct buffer_head *tmp = *bh;
- *err = ocfs2_read_virt_blocks(inode, block, 1, &tmp, 0, NULL);
- if (*err)
- mlog_errno(*err);
+ rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, NULL);
+ if (rc)
+ mlog_errno(rc);
+
+ /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */
+ if (!rc && !*bh)
+ *bh = tmp;
- return tmp;
+ return rc;
}
static struct buffer_head *ocfs2_get_quota_block(struct inode *inode,
@@ -143,8 +148,9 @@ ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data,
toread = len;
while (toread > 0) {
tocopy = min((size_t)(sb->s_blocksize - offset), toread);
- bh = ocfs2_read_quota_block(gqinode, blk, &err);
- if (!bh) {
+ bh = NULL;
+ err = ocfs2_read_quota_block(gqinode, blk, &bh);
+ if (err) {
mlog_errno(err);
return err;
}
@@ -169,7 +175,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
int offset = off & (sb->s_blocksize - 1);
sector_t blk = off >> sb->s_blocksize_bits;
int err = 0, new = 0;
- struct buffer_head *bh;
+ struct buffer_head *bh = NULL;
handle_t *handle = journal_current_handle();
if (!handle) {
@@ -200,13 +206,13 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
/* Not rewriting whole block? */
if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) &&
!new) {
- bh = ocfs2_read_quota_block(gqinode, blk, &err);
- if (!bh) {
+ err = ocfs2_read_quota_block(gqinode, blk, &bh);
+ if (err) {
mlog_errno(err);
return err;
}
err = ocfs2_journal_access(handle, gqinode, bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
+ OCFS2_JOURNAL_ACCESS_WRITE);
} else {
bh = ocfs2_get_quota_block(gqinode, blk, &err);
if (!bh) {
@@ -214,7 +220,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
return err;
}
err = ocfs2_journal_access(handle, gqinode, bh,
- OCFS2_JOURNAL_ACCESS_CREATE);
+ OCFS2_JOURNAL_ACCESS_CREATE);
}
if (err < 0) {
brelse(bh);
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index b98562174cd0..7053664f66a6 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -139,15 +139,15 @@ static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
GROUP_QUOTA_SYSTEM_INODE };
- struct buffer_head *bh;
+ struct buffer_head *bh = NULL;
struct inode *linode = sb_dqopt(sb)->files[type];
struct inode *ginode = NULL;
struct ocfs2_disk_dqheader *dqhead;
int status, ret = 0;
/* First check whether we understand local quota file */
- bh = ocfs2_read_quota_block(linode, 0, &status);
- if (!bh) {
+ status = ocfs2_read_quota_block(linode, 0, &bh);
+ if (status) {
mlog_errno(status);
mlog(ML_ERROR, "failed to read quota file header (type=%d)\n",
type);
@@ -178,8 +178,8 @@ static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
goto out_err;
}
/* Since the header is read only, we don't care about locking */
- bh = ocfs2_read_quota_block(ginode, 0, &status);
- if (!bh) {
+ status = ocfs2_read_quota_block(ginode, 0, &bh);
+ if (status) {
mlog_errno(status);
mlog(ML_ERROR, "failed to read global quota file header "
"(type=%d)\n", type);
@@ -235,10 +235,11 @@ static int ocfs2_load_local_quota_bitmaps(struct inode *inode,
return -ENOMEM;
}
newchunk->qc_num = i;
- newchunk->qc_headerbh = ocfs2_read_quota_block(inode,
+ newchunk->qc_headerbh = NULL;
+ status = ocfs2_read_quota_block(inode,
ol_quota_chunk_block(inode->i_sb, i),
- &status);
- if (!newchunk->qc_headerbh) {
+ &newchunk->qc_headerbh);
+ if (status) {
mlog_errno(status);
kmem_cache_free(ocfs2_qf_chunk_cachep, newchunk);
ocfs2_release_local_quota_bitmaps(head);
@@ -320,10 +321,11 @@ static int ocfs2_recovery_load_quota(struct inode *lqinode,
int status = 0;
for (i = 0; i < chunks; i++) {
- hbh = ocfs2_read_quota_block(lqinode,
- ol_quota_chunk_block(sb, i),
- &status);
- if (!hbh) {
+ hbh = NULL;
+ status = ocfs2_read_quota_block(lqinode,
+ ol_quota_chunk_block(sb, i),
+ &hbh);
+ if (status) {
mlog_errno(status);
break;
}
@@ -392,8 +394,9 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
goto out_put;
}
/* Now read local header */
- bh = ocfs2_read_quota_block(lqinode, 0, &status);
- if (!bh) {
+ bh = NULL;
+ status = ocfs2_read_quota_block(lqinode, 0, &bh);
+ if (status) {
mlog_errno(status);
mlog(ML_ERROR, "failed to read quota file info header "
"(slot=%d type=%d)\n", slot_num, type);
@@ -447,19 +450,21 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode,
list_for_each_entry_safe(rchunk, next, &(rec->r_list[type]), rc_list) {
chunk = rchunk->rc_chunk;
- hbh = ocfs2_read_quota_block(lqinode,
- ol_quota_chunk_block(sb, chunk),
- &status);
- if (!hbh) {
+ hbh = NULL;
+ status = ocfs2_read_quota_block(lqinode,
+ ol_quota_chunk_block(sb, chunk),
+ &hbh);
+ if (status) {
mlog_errno(status);
break;
}
dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data;
for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) {
- qbh = ocfs2_read_quota_block(lqinode,
+ qbh = NULL;
+ status = ocfs2_read_quota_block(lqinode,
ol_dqblk_block(sb, chunk, bit),
- &status);
- if (!qbh) {
+ &qbh);
+ if (status) {
mlog_errno(status);
break;
}
@@ -581,8 +586,9 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
goto out_put;
}
/* Now read local header */
- bh = ocfs2_read_quota_block(lqinode, 0, &status);
- if (!bh) {
+ bh = NULL;
+ status = ocfs2_read_quota_block(lqinode, 0, &bh);
+ if (status) {
mlog_errno(status);
mlog(ML_ERROR, "failed to read quota file info header "
"(slot=%d type=%d)\n", slot_num, type);
@@ -676,8 +682,8 @@ static int ocfs2_local_read_info(struct super_block *sb, int type)
locked = 1;
/* Now read local header */
- bh = ocfs2_read_quota_block(lqinode, 0, &status);
- if (!bh) {
+ status = ocfs2_read_quota_block(lqinode, 0, &bh);
+ if (status) {
mlog_errno(status);
mlog(ML_ERROR, "failed to read quota file info header "
"(type=%d)\n", type);
@@ -850,13 +856,13 @@ static int ocfs2_local_write_dquot(struct dquot *dquot)
{
struct super_block *sb = dquot->dq_sb;
struct ocfs2_dquot *od = OCFS2_DQUOT(dquot);
- struct buffer_head *bh;
+ struct buffer_head *bh = NULL;
int status;
- bh = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type],
+ status = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type],
ol_dqblk_file_block(sb, od->dq_local_off),
- &status);
- if (!bh) {
+ &bh);
+ if (status) {
mlog_errno(status);
goto out;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 06:11:29 +0000