struct buffer_head *main_bm_bh);
static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
struct ocfs2_alloc_context **ac,
struct inode **bitmap_inode,
struct buffer_head **bitmap_bh);
* our own in order to shift windows.
*/
int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *passed_handle,
u32 bits_wanted,
struct ocfs2_alloc_context *ac)
{
mlog_entry_void();
- BUG_ON(!passed_handle);
BUG_ON(!ac);
- BUG_ON(passed_handle->k_handle);
local_alloc_inode =
ocfs2_get_system_file_inode(osb,
mlog_errno(status);
goto bail;
}
- ocfs2_handle_add_inode(passed_handle, local_alloc_inode);
+
+ mutex_lock(&local_alloc_inode->i_mutex);
+
+ ac->ac_inode = local_alloc_inode;
+ ac->ac_which = OCFS2_AC_USE_LOCAL;
if (osb->local_alloc_state != OCFS2_LA_ENABLED) {
status = -ENOSPC;
}
}
- ac->ac_inode = igrab(local_alloc_inode);
get_bh(osb->local_alloc_bh);
ac->ac_bh = osb->local_alloc_bh;
- ac->ac_which = OCFS2_AC_USE_LOCAL;
status = 0;
bail:
- if (local_alloc_inode)
- iput(local_alloc_inode);
mlog_exit(status);
return status;
}
static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
struct ocfs2_alloc_context **ac,
struct inode **bitmap_inode,
struct buffer_head **bitmap_bh)
goto bail;
}
- (*ac)->ac_handle = handle;
(*ac)->ac_bits_wanted = ocfs2_local_alloc_window_bits(osb);
status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac);
mlog_entry_void();
- handle = ocfs2_alloc_handle(osb);
- if (!handle) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
-
/* This will lock the main bitmap for us. */
status = ocfs2_local_alloc_reserve_for_window(osb,
- handle,
&ac,
&main_bm_inode,
&main_bm_bh);
goto bail;
}
- handle = ocfs2_start_trans(osb, handle, OCFS2_WINDOW_MOVE_CREDITS);
+ handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
struct inode *alloc_inode,
struct buffer_head *bh);
-static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
- struct ocfs2_alloc_context *ac);
-
static int ocfs2_cluster_group_search(struct inode *inode,
struct buffer_head *group_bh,
u32 bits_wanted, u32 min_bits,
u16 *bit_off, u16 *bits_found);
static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
struct ocfs2_alloc_context *ac,
+ struct ocfs2_journal_handle *handle,
u32 bits_wanted,
u32 min_bits,
u16 *bit_off,
void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac)
{
- if (ac->ac_inode)
- iput(ac->ac_inode);
+ struct inode *inode = ac->ac_inode;
+
+ if (inode) {
+ if (ac->ac_which != OCFS2_AC_USE_LOCAL)
+ ocfs2_meta_unlock(inode, 1);
+
+ mutex_unlock(&inode->i_mutex);
+
+ iput(inode);
+ }
if (ac->ac_bh)
brelse(ac->ac_bh);
kfree(ac);
mlog_entry_void();
- handle = ocfs2_alloc_handle(osb);
- if (!handle) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
-
cl = &fe->id2.i_chain;
status = ocfs2_reserve_clusters(osb,
- handle,
le16_to_cpu(cl->cl_cpg),
&ac);
if (status < 0) {
}
static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
- struct ocfs2_alloc_context *ac)
+ struct ocfs2_alloc_context *ac,
+ int type,
+ u32 slot)
{
int status;
u32 bits_wanted = ac->ac_bits_wanted;
- struct inode *alloc_inode = ac->ac_inode;
+ struct inode *alloc_inode;
struct buffer_head *bh = NULL;
- struct ocfs2_journal_handle *handle = ac->ac_handle;
struct ocfs2_dinode *fe;
u32 free_bits;
mlog_entry_void();
- BUG_ON(handle->k_handle);
+ alloc_inode = ocfs2_get_system_file_inode(osb, type, slot);
+ if (!alloc_inode) {
+ mlog_errno(-EINVAL);
+ return -EINVAL;
+ }
- ocfs2_handle_add_inode(handle, alloc_inode);
- status = ocfs2_meta_lock(alloc_inode, handle, &bh, 1);
+ mutex_lock(&alloc_inode->i_mutex);
+
+ status = ocfs2_meta_lock(alloc_inode, NULL, &bh, 1);
if (status < 0) {
+ mutex_unlock(&alloc_inode->i_mutex);
+ iput(alloc_inode);
+
mlog_errno(status);
- goto bail;
+ return status;
}
+ ac->ac_inode = alloc_inode;
+
fe = (struct ocfs2_dinode *) bh->b_data;
if (!OCFS2_IS_VALID_DINODE(fe)) {
OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe);
}
int ocfs2_reserve_new_metadata(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
struct ocfs2_dinode *fe,
struct ocfs2_alloc_context **ac)
{
int status;
- struct inode *alloc_inode = NULL;
+ u32 slot;
*ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
if (!(*ac)) {
}
(*ac)->ac_bits_wanted = ocfs2_extend_meta_needed(fe);
- (*ac)->ac_handle = handle;
(*ac)->ac_which = OCFS2_AC_USE_META;
#ifndef OCFS2_USE_ALL_METADATA_SUBALLOCATORS
- alloc_inode = ocfs2_get_system_file_inode(osb,
- EXTENT_ALLOC_SYSTEM_INODE,
- 0);
+ slot = 0;
#else
- alloc_inode = ocfs2_get_system_file_inode(osb,
- EXTENT_ALLOC_SYSTEM_INODE,
- osb->slot_num);
+ slot = osb->slot_num;
#endif
- if (!alloc_inode) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
- (*ac)->ac_inode = igrab(alloc_inode);
(*ac)->ac_group_search = ocfs2_block_group_search;
- status = ocfs2_reserve_suballoc_bits(osb, (*ac));
+ status = ocfs2_reserve_suballoc_bits(osb, (*ac),
+ EXTENT_ALLOC_SYSTEM_INODE, slot);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
*ac = NULL;
}
- if (alloc_inode)
- iput(alloc_inode);
-
mlog_exit(status);
return status;
}
int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
struct ocfs2_alloc_context **ac)
{
int status;
- struct inode *alloc_inode = NULL;
*ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
if (!(*ac)) {
}
(*ac)->ac_bits_wanted = 1;
- (*ac)->ac_handle = handle;
(*ac)->ac_which = OCFS2_AC_USE_INODE;
- alloc_inode = ocfs2_get_system_file_inode(osb,
- INODE_ALLOC_SYSTEM_INODE,
- osb->slot_num);
- if (!alloc_inode) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
-
- (*ac)->ac_inode = igrab(alloc_inode);
(*ac)->ac_group_search = ocfs2_block_group_search;
- status = ocfs2_reserve_suballoc_bits(osb, *ac);
+ status = ocfs2_reserve_suballoc_bits(osb, *ac,
+ INODE_ALLOC_SYSTEM_INODE,
+ osb->slot_num);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
*ac = NULL;
}
- if (alloc_inode)
- iput(alloc_inode);
-
mlog_exit(status);
return status;
}
{
int status;
- ac->ac_inode = ocfs2_get_system_file_inode(osb,
- GLOBAL_BITMAP_SYSTEM_INODE,
- OCFS2_INVALID_SLOT);
- if (!ac->ac_inode) {
- status = -EINVAL;
- mlog(ML_ERROR, "Could not get bitmap inode!\n");
- goto bail;
- }
ac->ac_which = OCFS2_AC_USE_MAIN;
ac->ac_group_search = ocfs2_cluster_group_search;
- status = ocfs2_reserve_suballoc_bits(osb, ac);
- if (status < 0 && status != -ENOSPC)
+ status = ocfs2_reserve_suballoc_bits(osb, ac,
+ GLOBAL_BITMAP_SYSTEM_INODE,
+ OCFS2_INVALID_SLOT);
+ if (status < 0 && status != -ENOSPC) {
mlog_errno(status);
+ goto bail;
+ }
+
bail:
return status;
}
* use so we figure it out for them, but unfortunately this clutters
* things a bit. */
int ocfs2_reserve_clusters(struct ocfs2_super *osb,
- struct ocfs2_journal_handle *handle,
u32 bits_wanted,
struct ocfs2_alloc_context **ac)
{
mlog_entry_void();
- BUG_ON(!handle);
-
*ac = kcalloc(1, sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
if (!(*ac)) {
status = -ENOMEM;
}
(*ac)->ac_bits_wanted = bits_wanted;
- (*ac)->ac_handle = handle;
status = -ENOSPC;
if (ocfs2_alloc_should_use_local(osb, bits_wanted)) {
status = ocfs2_reserve_local_alloc_bits(osb,
- handle,
bits_wanted,
*ac);
if ((status < 0) && (status != -ENOSPC)) {
}
static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
+ struct ocfs2_journal_handle *handle,
u32 bits_wanted,
u32 min_bits,
u16 *bit_off,
struct buffer_head *group_bh = NULL;
struct ocfs2_group_desc *gd;
struct inode *alloc_inode = ac->ac_inode;
- struct ocfs2_journal_handle *handle = ac->ac_handle;
ret = ocfs2_read_block(OCFS2_SB(alloc_inode->i_sb), gd_blkno,
&group_bh, OCFS2_BH_CACHED, alloc_inode);
}
static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
+ struct ocfs2_journal_handle *handle,
u32 bits_wanted,
u32 min_bits,
u16 *bit_off,
u16 chain, tmp_bits;
u32 tmp_used;
u64 next_group;
- struct ocfs2_journal_handle *handle = ac->ac_handle;
struct inode *alloc_inode = ac->ac_inode;
struct buffer_head *group_bh = NULL;
struct buffer_head *prev_group_bh = NULL;
/* will give out up to bits_wanted contiguous bits. */
static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
struct ocfs2_alloc_context *ac,
+ struct ocfs2_journal_handle *handle,
u32 bits_wanted,
u32 min_bits,
u16 *bit_off,
* by jumping straight to the most recently used
* allocation group. This helps us mantain some
* contiguousness across allocations. */
- status = ocfs2_search_one_group(ac, bits_wanted, min_bits,
- bit_off, num_bits,
+ status = ocfs2_search_one_group(ac, handle, bits_wanted,
+ min_bits, bit_off, num_bits,
hint_blkno, &bits_left);
if (!status) {
/* Be careful to update *bg_blkno here as the
ac->ac_chain = victim;
ac->ac_allow_chain_relink = 1;
- status = ocfs2_search_chain(ac, bits_wanted, min_bits, bit_off,
+ status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits, bit_off,
num_bits, bg_blkno, &bits_left);
if (!status)
goto set_hint;
continue;
ac->ac_chain = i;
- status = ocfs2_search_chain(ac, bits_wanted, min_bits,
+ status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
bit_off, num_bits, bg_blkno,
&bits_left);
if (!status)
BUG_ON(!ac);
BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted));
BUG_ON(ac->ac_which != OCFS2_AC_USE_META);
- BUG_ON(ac->ac_handle != handle);
status = ocfs2_claim_suballoc_bits(osb,
ac,
+ handle,
bits_wanted,
1,
suballoc_bit_start,
BUG_ON(ac->ac_bits_given != 0);
BUG_ON(ac->ac_bits_wanted != 1);
BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE);
- BUG_ON(ac->ac_handle != handle);
status = ocfs2_claim_suballoc_bits(osb,
ac,
+ handle,
1,
1,
suballoc_bit,
BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL
&& ac->ac_which != OCFS2_AC_USE_MAIN);
- BUG_ON(ac->ac_handle != handle);
if (ac->ac_which == OCFS2_AC_USE_LOCAL) {
status = ocfs2_claim_local_alloc_bits(osb,
status = ocfs2_claim_suballoc_bits(osb,
ac,
+ handle,
bits_wanted,
min_clusters,
&bg_bit_off,