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xfs: convert kmem_free() for kvmalloc users to kvfree()

Browse source 
Start getting rid of kmem_free() by converting all the cases where
memory can come from vmalloc interfaces to calling kvfree()
directly.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This commit is contained in:
Dave Chinner 2024-01-16 09:59:42 +11:00 • committed by Chandan Babu R
parent afdc115559
commit 4929257613
15 changed files with 44 additions and 44 deletions
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4
fs/xfs/xfs_acl.c
View file

@ -167,7 +167,7 @@ xfs_get_acl(struct inode *inode, int type, bool rcu)
acl = ERR_PTR(error);
}
kmem_free(args.value);
kvfree(args.value);
return acl;
}
@ -204,7 +204,7 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
}
error = xfs_attr_change(&args);
kmem_free(args.value);
kvfree(args.value);
/*
* If the attribute didn't exist to start with that's fine.

4
fs/xfs/xfs_attr_item.c
View file

@ -108,7 +108,7 @@ STATIC void
xfs_attri_item_free(
struct xfs_attri_log_item *attrip)
{
kmem_free(attrip->attri_item.li_lv_shadow);
kvfree(attrip->attri_item.li_lv_shadow);
xfs_attri_log_nameval_put(attrip->attri_nameval);
kmem_cache_free(xfs_attri_cache, attrip);
}
@ -251,7 +251,7 @@ static inline struct xfs_attrd_log_item *ATTRD_ITEM(struct xfs_log_item *lip)
STATIC void
xfs_attrd_item_free(struct xfs_attrd_log_item *attrdp)
{
kmem_free(attrdp->attrd_item.li_lv_shadow);
kvfree(attrdp->attrd_item.li_lv_shadow);
kmem_cache_free(xfs_attrd_cache, attrdp);
}

4
fs/xfs/xfs_bmap_item.c
View file

@ -40,7 +40,7 @@ STATIC void
xfs_bui_item_free(
struct xfs_bui_log_item *buip)
{
kmem_free(buip->bui_item.li_lv_shadow);
kvfree(buip->bui_item.li_lv_shadow);
kmem_cache_free(xfs_bui_cache, buip);
}
@ -201,7 +201,7 @@ xfs_bud_item_release(
struct xfs_bud_log_item *budp = BUD_ITEM(lip);
xfs_bui_release(budp->bud_buip);
kmem_free(budp->bud_item.li_lv_shadow);
kvfree(budp->bud_item.li_lv_shadow);
kmem_cache_free(xfs_bud_cache, budp);
}

2
fs/xfs/xfs_buf_item.c
View file

@ -1044,7 +1044,7 @@ xfs_buf_item_free(
struct xfs_buf_log_item *bip)
{
xfs_buf_item_free_format(bip);
kmem_free(bip->bli_item.li_lv_shadow);
kvfree(bip->bli_item.li_lv_shadow);
kmem_cache_free(xfs_buf_item_cache, bip);
}

2
fs/xfs/xfs_dquot.c
View file

@ -53,7 +53,7 @@ xfs_qm_dqdestroy(
{
ASSERT(list_empty(&dqp->q_lru));
kmem_free(dqp->q_logitem.qli_item.li_lv_shadow);
kvfree(dqp->q_logitem.qli_item.li_lv_shadow);
mutex_destroy(&dqp->q_qlock);
XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot);

4
fs/xfs/xfs_extfree_item.c
View file

@ -40,7 +40,7 @@ STATIC void
xfs_efi_item_free(
struct xfs_efi_log_item *efip)
{
kmem_free(efip->efi_item.li_lv_shadow);
kvfree(efip->efi_item.li_lv_shadow);
if (efip->efi_format.efi_nextents > XFS_EFI_MAX_FAST_EXTENTS)
kmem_free(efip);
else
@ -229,7 +229,7 @@ static inline struct xfs_efd_log_item *EFD_ITEM(struct xfs_log_item *lip)
STATIC void
xfs_efd_item_free(struct xfs_efd_log_item *efdp)
{
kmem_free(efdp->efd_item.li_lv_shadow);
kvfree(efdp->efd_item.li_lv_shadow);
if (efdp->efd_format.efd_nextents > XFS_EFD_MAX_FAST_EXTENTS)
kmem_free(efdp);
else

2
fs/xfs/xfs_icreate_item.c
View file

@ -63,7 +63,7 @@ STATIC void
xfs_icreate_item_release(
struct xfs_log_item *lip)
{
kmem_free(ICR_ITEM(lip)->ic_item.li_lv_shadow);
kvfree(ICR_ITEM(lip)->ic_item.li_lv_shadow);
kmem_cache_free(xfs_icreate_cache, ICR_ITEM(lip));
}

2
fs/xfs/xfs_inode_item.c
View file

@ -856,7 +856,7 @@ xfs_inode_item_destroy(
ASSERT(iip->ili_item.li_buf == NULL);
ip->i_itemp = NULL;
kmem_free(iip->ili_item.li_lv_shadow);
kvfree(iip->ili_item.li_lv_shadow);
kmem_cache_free(xfs_ili_cache, iip);
}

2
fs/xfs/xfs_ioctl.c
View file

@ -493,7 +493,7 @@ xfs_attrmulti_attr_get(
error = -EFAULT;
out_kfree:
kmem_free(args.value);
kvfree(args.value);
return error;
}

4
fs/xfs/xfs_log.c
View file

@ -1662,7 +1662,7 @@ out_destroy_workqueue:
out_free_iclog:
for (iclog = log->l_iclog; iclog; iclog = prev_iclog) {
prev_iclog = iclog->ic_next;
kmem_free(iclog->ic_data);
kvfree(iclog->ic_data);
kmem_free(iclog);
if (prev_iclog == log->l_iclog)
break;
@ -2119,7 +2119,7 @@ xlog_dealloc_log(
iclog = log->l_iclog;
for (i = 0; i < log->l_iclog_bufs; i++) {
next_iclog = iclog->ic_next;
kmem_free(iclog->ic_data);
kvfree(iclog->ic_data);
kmem_free(iclog);
iclog = next_iclog;
}

2
fs/xfs/xfs_log_cil.c
View file

@ -339,7 +339,7 @@ xlog_cil_alloc_shadow_bufs(
* the buffer, only the log vector header and the iovec
* storage.
*/
kmem_free(lip->li_lv_shadow);
kvfree(lip->li_lv_shadow);
lv = xlog_kvmalloc(buf_size);
memset(lv, 0, xlog_cil_iovec_space(niovecs));

42
fs/xfs/xfs_log_recover.c
View file

@ -361,7 +361,7 @@ xlog_find_verify_cycle(
*new_blk = -1;
out:
kmem_free(buffer);
kvfree(buffer);
return error;
}
@ -477,7 +477,7 @@ xlog_find_verify_log_record(
*last_blk = i;
out:
kmem_free(buffer);
kvfree(buffer);
return error;
}
@ -731,7 +731,7 @@ validate_head:
goto out_free_buffer;
}
kmem_free(buffer);
kvfree(buffer);
if (head_blk == log_bbnum)
*return_head_blk = 0;
else
@ -745,7 +745,7 @@ validate_head:
return 0;
out_free_buffer:
kmem_free(buffer);
kvfree(buffer);
if (error)
xfs_warn(log->l_mp, "failed to find log head");
return error;
@ -999,7 +999,7 @@ xlog_verify_tail(
"Tail block (0x%llx) overwrite detected. Updated to 0x%llx",
orig_tail, *tail_blk);
out:
kmem_free(buffer);
kvfree(buffer);
return error;
}
@ -1046,7 +1046,7 @@ xlog_verify_head(
error = xlog_rseek_logrec_hdr(log, *head_blk, *tail_blk,
XLOG_MAX_ICLOGS, tmp_buffer,
&tmp_rhead_blk, &tmp_rhead, &tmp_wrapped);
kmem_free(tmp_buffer);
kvfree(tmp_buffer);
if (error < 0)
return error;
@ -1365,7 +1365,7 @@ xlog_find_tail(
error = xlog_clear_stale_blocks(log, tail_lsn);
done:
kmem_free(buffer);
kvfree(buffer);
if (error)
xfs_warn(log->l_mp, "failed to locate log tail");
@ -1399,6 +1399,7 @@ xlog_find_zeroed(
xfs_daddr_t new_blk, last_blk, start_blk;
xfs_daddr_t num_scan_bblks;
int error, log_bbnum = log->l_logBBsize;
int ret = 1;
*blk_no = 0;
@ -1413,8 +1414,7 @@ xlog_find_zeroed(
first_cycle = xlog_get_cycle(offset);
if (first_cycle == 0) { /* completely zeroed log */
*blk_no = 0;
kmem_free(buffer);
return 1;
goto out_free_buffer;
}
/* check partially zeroed log */
@ -1424,8 +1424,8 @@ xlog_find_zeroed(
last_cycle = xlog_get_cycle(offset);
if (last_cycle != 0) { /* log completely written to */
kmem_free(buffer);
return 0;
ret = 0;
goto out_free_buffer;
}
/* we have a partially zeroed log */
@ -1471,10 +1471,10 @@ xlog_find_zeroed(
*blk_no = last_blk;
out_free_buffer:
kmem_free(buffer);
kvfree(buffer);
if (error)
return error;
return 1;
return ret;
}
/*
@ -1583,7 +1583,7 @@ xlog_write_log_records(
}
out_free_buffer:
kmem_free(buffer);
kvfree(buffer);
return error;
}
@ -2183,7 +2183,7 @@ xlog_recover_add_to_trans(
"bad number of regions (%d) in inode log format",
in_f->ilf_size);
ASSERT(0);
kmem_free(ptr);
kvfree(ptr);
return -EFSCORRUPTED;
}
@ -2197,7 +2197,7 @@ xlog_recover_add_to_trans(
"log item region count (%d) overflowed size (%d)",
item->ri_cnt, item->ri_total);
ASSERT(0);
kmem_free(ptr);
kvfree(ptr);
return -EFSCORRUPTED;
}
@ -2227,7 +2227,7 @@ xlog_recover_free_trans(
/* Free the regions in the item. */
list_del(&item->ri_list);
for (i = 0; i < item->ri_cnt; i++)
kmem_free(item->ri_buf[i].i_addr);
kvfree(item->ri_buf[i].i_addr);
/* Free the item itself */
kmem_free(item->ri_buf);
kmem_free(item);
@ -3024,7 +3024,7 @@ xlog_do_recovery_pass(
hblks = xlog_logrec_hblks(log, rhead);
if (hblks != 1) {
kmem_free(hbp);
kvfree(hbp);
hbp = xlog_alloc_buffer(log, hblks);
}
} else {
@ -3038,7 +3038,7 @@ xlog_do_recovery_pass(
return -ENOMEM;
dbp = xlog_alloc_buffer(log, BTOBB(h_size));
if (!dbp) {
kmem_free(hbp);
kvfree(hbp);
return -ENOMEM;
}
@ -3199,9 +3199,9 @@ xlog_do_recovery_pass(
}
bread_err2:
kmem_free(dbp);
kvfree(dbp);
bread_err1:
kmem_free(hbp);
kvfree(hbp);
/*
* Submit buffers that have been added from the last record processed,

4
fs/xfs/xfs_refcount_item.c
View file

@ -36,7 +36,7 @@ STATIC void
xfs_cui_item_free(
struct xfs_cui_log_item *cuip)
{
kmem_free(cuip->cui_item.li_lv_shadow);
kvfree(cuip->cui_item.li_lv_shadow);
if (cuip->cui_format.cui_nextents > XFS_CUI_MAX_FAST_EXTENTS)
kmem_free(cuip);
else
@ -207,7 +207,7 @@ xfs_cud_item_release(
struct xfs_cud_log_item *cudp = CUD_ITEM(lip);
xfs_cui_release(cudp->cud_cuip);
kmem_free(cudp->cud_item.li_lv_shadow);
kvfree(cudp->cud_item.li_lv_shadow);
kmem_cache_free(xfs_cud_cache, cudp);
}

4
fs/xfs/xfs_rmap_item.c
View file

@ -36,7 +36,7 @@ STATIC void
xfs_rui_item_free(
struct xfs_rui_log_item *ruip)
{
kmem_free(ruip->rui_item.li_lv_shadow);
kvfree(ruip->rui_item.li_lv_shadow);
if (ruip->rui_format.rui_nextents > XFS_RUI_MAX_FAST_EXTENTS)
kmem_free(ruip);
else
@ -206,7 +206,7 @@ xfs_rud_item_release(
struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
xfs_rui_release(rudp->rud_ruip);
kmem_free(rudp->rud_item.li_lv_shadow);
kvfree(rudp->rud_item.li_lv_shadow);
kmem_cache_free(xfs_rud_cache, rudp);
}

6
fs/xfs/xfs_rtalloc.c
View file

@ -1059,10 +1059,10 @@ out_free:
*/
if (rsum_cache != mp->m_rsum_cache) {
if (error) {
kmem_free(mp->m_rsum_cache);
kvfree(mp->m_rsum_cache);
mp->m_rsum_cache = rsum_cache;
} else {
kmem_free(rsum_cache);
kvfree(rsum_cache);
}
}
@ -1233,7 +1233,7 @@ void
xfs_rtunmount_inodes(
struct xfs_mount *mp)
{
kmem_free(mp->m_rsum_cache);
kvfree(mp->m_rsum_cache);
if (mp->m_rbmip)
xfs_irele(mp->m_rbmip);
if (mp->m_rsumip)