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-rw-r--r--fs/ocfs2/alloc.c102
-rw-r--r--fs/ocfs2/alloc.h3
-rw-r--r--fs/ocfs2/aops.c1
-rw-r--r--fs/ocfs2/suballoc.c13
-rw-r--r--fs/ocfs2/suballoc.h4
5 files changed, 29 insertions, 94 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 873bb99fc2ff..26e867087e95 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -50,6 +50,8 @@
#include "buffer_head_io.h"
static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc);
+static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
+ struct ocfs2_extent_block *eb);
/*
* Structures which describe a path through a btree, and functions to
@@ -3161,6 +3163,15 @@ out:
return ret;
}
+static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
+ struct ocfs2_extent_block *eb)
+{
+ return ocfs2_cache_block_dealloc(ctxt, EXTENT_ALLOC_SYSTEM_INODE,
+ le16_to_cpu(eb->h_suballoc_slot),
+ le64_to_cpu(eb->h_blkno),
+ le16_to_cpu(eb->h_suballoc_bit));
+}
+
/* This function will figure out whether the currently last extent
* block will be deleted, and if it will, what the new last extent
* block will be so we can update his h_next_leaf_blk field, as well
@@ -3442,27 +3453,10 @@ delete:
BUG_ON(le32_to_cpu(el->l_recs[0].e_cpos));
BUG_ON(le64_to_cpu(el->l_recs[0].e_blkno));
- if (le16_to_cpu(eb->h_suballoc_slot) == 0) {
- /*
- * This code only understands how to
- * lock the suballocator in slot 0,
- * which is fine because allocation is
- * only ever done out of that
- * suballocator too. A future version
- * might change that however, so avoid
- * a free if we don't know how to
- * handle it. This way an fs incompat
- * bit will not be necessary.
- */
- ret = ocfs2_free_extent_block(handle,
- tc->tc_ext_alloc_inode,
- tc->tc_ext_alloc_bh,
- eb);
-
- /* An error here is not fatal. */
- if (ret < 0)
- mlog_errno(ret);
- }
+ ret = ocfs2_cache_extent_block_free(&tc->tc_dealloc, eb);
+ /* An error here is not fatal. */
+ if (ret < 0)
+ mlog_errno(ret);
} else {
deleted_eb = 0;
}
@@ -3965,6 +3959,8 @@ bail:
if (handle)
ocfs2_commit_trans(osb, handle);
+ ocfs2_run_deallocs(osb, &tc->tc_dealloc);
+
ocfs2_free_path(path);
/* This will drop the ext_alloc cluster lock for us */
@@ -3975,23 +3971,18 @@ bail:
}
/*
- * Expects the inode to already be locked. This will figure out which
- * inodes need to be locked and will put them on the returned truncate
- * context.
+ * Expects the inode to already be locked.
*/
int ocfs2_prepare_truncate(struct ocfs2_super *osb,
struct inode *inode,
struct buffer_head *fe_bh,
struct ocfs2_truncate_context **tc)
{
- int status, metadata_delete, i;
+ int status;
unsigned int new_i_clusters;
struct ocfs2_dinode *fe;
struct ocfs2_extent_block *eb;
- struct ocfs2_extent_list *el;
struct buffer_head *last_eb_bh = NULL;
- struct inode *ext_alloc_inode = NULL;
- struct buffer_head *ext_alloc_bh = NULL;
mlog_entry_void();
@@ -4011,12 +4002,9 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb,
mlog_errno(status);
goto bail;
}
+ ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc);
- metadata_delete = 0;
if (fe->id2.i_list.l_tree_depth) {
- /* If we have a tree, then the truncate may result in
- * metadata deletes. Figure this out from the
- * rightmost leaf block.*/
status = ocfs2_read_block(osb, le64_to_cpu(fe->i_last_eb_blk),
&last_eb_bh, OCFS2_BH_CACHED, inode);
if (status < 0) {
@@ -4031,43 +4019,10 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb,
status = -EIO;
goto bail;
}
- el = &(eb->h_list);
-
- i = 0;
- if (ocfs2_is_empty_extent(&el->l_recs[0]))
- i = 1;
- /*
- * XXX: Should we check that next_free_rec contains
- * the extent?
- */
- if (le32_to_cpu(el->l_recs[i].e_cpos) >= new_i_clusters)
- metadata_delete = 1;
}
(*tc)->tc_last_eb_bh = last_eb_bh;
- if (metadata_delete) {
- mlog(0, "Will have to delete metadata for this trunc. "
- "locking allocator.\n");
- ext_alloc_inode = ocfs2_get_system_file_inode(osb, EXTENT_ALLOC_SYSTEM_INODE, 0);
- if (!ext_alloc_inode) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
-
- mutex_lock(&ext_alloc_inode->i_mutex);
- (*tc)->tc_ext_alloc_inode = ext_alloc_inode;
-
- status = ocfs2_meta_lock(ext_alloc_inode, &ext_alloc_bh, 1);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- (*tc)->tc_ext_alloc_bh = ext_alloc_bh;
- (*tc)->tc_ext_alloc_locked = 1;
- }
-
status = 0;
bail:
if (status < 0) {
@@ -4081,16 +4036,13 @@ bail:
static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc)
{
- if (tc->tc_ext_alloc_inode) {
- if (tc->tc_ext_alloc_locked)
- ocfs2_meta_unlock(tc->tc_ext_alloc_inode, 1);
-
- mutex_unlock(&tc->tc_ext_alloc_inode->i_mutex);
- iput(tc->tc_ext_alloc_inode);
- }
-
- if (tc->tc_ext_alloc_bh)
- brelse(tc->tc_ext_alloc_bh);
+ /*
+ * The caller is responsible for completing deallocation
+ * before freeing the context.
+ */
+ if (tc->tc_dealloc.c_first_suballocator != NULL)
+ mlog(ML_NOTICE,
+ "Truncate completion has non-empty dealloc context\n");
if (tc->tc_last_eb_bh)
brelse(tc->tc_last_eb_bh);
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 01db0adc2150..cb02e53b593c 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -83,8 +83,7 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb,
struct ocfs2_cached_dealloc_ctxt *ctxt);
struct ocfs2_truncate_context {
- struct inode *tc_ext_alloc_inode;
- struct buffer_head *tc_ext_alloc_bh;
+ struct ocfs2_cached_dealloc_ctxt tc_dealloc;
int tc_ext_alloc_locked; /* is it cluster locked? */
/* these get destroyed once it's passed to ocfs2_commit_truncate. */
struct buffer_head *tc_last_eb_bh;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index e8d16ae12ef0..510bf84c9cf5 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1498,6 +1498,7 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
ocfs2_journal_dirty(handle, wc->w_di_bh);
ocfs2_commit_trans(osb, handle);
+
ocfs2_free_write_ctxt(wc);
return copied;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 6788f2f1a667..82bf12f887a6 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1708,19 +1708,6 @@ int ocfs2_free_dinode(handle_t *handle,
inode_alloc_bh, bit, bg_blkno, 1);
}
-int ocfs2_free_extent_block(handle_t *handle,
- struct inode *eb_alloc_inode,
- struct buffer_head *eb_alloc_bh,
- struct ocfs2_extent_block *eb)
-{
- u64 blk = le64_to_cpu(eb->h_blkno);
- u16 bit = le16_to_cpu(eb->h_suballoc_bit);
- u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
-
- return ocfs2_free_suballoc_bits(handle, eb_alloc_inode, eb_alloc_bh,
- bit, bg_blkno, 1);
-}
-
int ocfs2_free_clusters(handle_t *handle,
struct inode *bitmap_inode,
struct buffer_head *bitmap_bh,
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 7bc4819db4db..f212dc01a84b 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -96,10 +96,6 @@ int ocfs2_free_dinode(handle_t *handle,
struct inode *inode_alloc_inode,
struct buffer_head *inode_alloc_bh,
struct ocfs2_dinode *di);
-int ocfs2_free_extent_block(handle_t *handle,
- struct inode *eb_alloc_inode,
- struct buffer_head *eb_alloc_bh,
- struct ocfs2_extent_block *eb);
int ocfs2_free_clusters(handle_t *handle,
struct inode *bitmap_inode,
struct buffer_head *bitmap_bh,
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-16 17:58:46 +0000