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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 13:03:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 13:03:31 -0700
commit03e4970c10151c5fb25ddd7e9a142d63c6a8d058 (patch)
tree393447b9d0a6ebc64689d6e793e80ad549b97e35 /fs/ocfs2/refcounttree.c
parent1788c208aab15f9d9d1d24cff0d0c64b5c73bbee (diff)
parent272b62c1f0f6f742046e45b50b6fec98860208a0 (diff)
downloadlinux-03e4970c10151c5fb25ddd7e9a142d63c6a8d058.tar.bz2
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (39 commits) Treat writes as new when holes span across page boundaries fs,ocfs2: Move o2net_get_func_run_time under CONFIG_OCFS2_FS_STATS. ocfs2/dlm: Move kmalloc() outside the spinlock ocfs2: Make the left masklogs compat. ocfs2: Remove masklog ML_AIO. ocfs2: Remove masklog ML_UPTODATE. ocfs2: Remove masklog ML_BH_IO. ocfs2: Remove masklog ML_JOURNAL. ocfs2: Remove masklog ML_EXPORT. ocfs2: Remove masklog ML_DCACHE. ocfs2: Remove masklog ML_NAMEI. ocfs2: Remove mlog(0) from fs/ocfs2/dir.c ocfs2: remove NAMEI from symlink.c ocfs2: Remove masklog ML_QUOTA. ocfs2: Remove mlog(0) from quota_local.c. ocfs2: Remove masklog ML_RESERVATIONS. ocfs2: Remove masklog ML_XATTR. ocfs2: Remove masklog ML_SUPER. ocfs2: Remove mlog(0) from fs/ocfs2/heartbeat.c ocfs2: Remove mlog(0) from fs/ocfs2/slot_map.c ... Fix up trivial conflict in fs/ocfs2/super.c
Diffstat (limited to 'fs/ocfs2/refcounttree.c')
-rw-r--r--fs/ocfs2/refcounttree.c158
1 files changed, 78 insertions, 80 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index c384d634872a..5d32749c896d 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -16,7 +16,6 @@
*/
#include <linux/sort.h>
-#define MLOG_MASK_PREFIX ML_REFCOUNT
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "inode.h"
@@ -34,6 +33,7 @@
#include "aops.h"
#include "xattr.h"
#include "namei.h"
+#include "ocfs2_trace.h"
#include <linux/bio.h>
#include <linux/blkdev.h>
@@ -84,8 +84,7 @@ static int ocfs2_validate_refcount_block(struct super_block *sb,
struct ocfs2_refcount_block *rb =
(struct ocfs2_refcount_block *)bh->b_data;
- mlog(0, "Validating refcount block %llu\n",
- (unsigned long long)bh->b_blocknr);
+ trace_ocfs2_validate_refcount_block((unsigned long long)bh->b_blocknr);
BUG_ON(!buffer_uptodate(bh));
@@ -545,8 +544,8 @@ void ocfs2_purge_refcount_trees(struct ocfs2_super *osb)
while ((node = rb_last(root)) != NULL) {
tree = rb_entry(node, struct ocfs2_refcount_tree, rf_node);
- mlog(0, "Purge tree %llu\n",
- (unsigned long long) tree->rf_blkno);
+ trace_ocfs2_purge_refcount_trees(
+ (unsigned long long) tree->rf_blkno);
rb_erase(&tree->rf_node, root);
ocfs2_free_refcount_tree(tree);
@@ -575,7 +574,8 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
BUG_ON(oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL);
- mlog(0, "create tree for inode %lu\n", inode->i_ino);
+ trace_ocfs2_create_refcount_tree(
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
if (ret) {
@@ -646,8 +646,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
di->i_refcount_loc = cpu_to_le64(first_blkno);
spin_unlock(&oi->ip_lock);
- mlog(0, "created tree for inode %lu, refblock %llu\n",
- inode->i_ino, (unsigned long long)first_blkno);
+ trace_ocfs2_create_refcount_tree_blkno((unsigned long long)first_blkno);
ocfs2_journal_dirty(handle, di_bh);
@@ -1256,8 +1255,9 @@ static int ocfs2_change_refcount_rec(handle_t *handle,
goto out;
}
- mlog(0, "change index %d, old count %u, change %d\n", index,
- le32_to_cpu(rec->r_refcount), change);
+ trace_ocfs2_change_refcount_rec(
+ (unsigned long long)ocfs2_metadata_cache_owner(ci),
+ index, le32_to_cpu(rec->r_refcount), change);
le32_add_cpu(&rec->r_refcount, change);
if (!rec->r_refcount) {
@@ -1353,8 +1353,8 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
ocfs2_journal_dirty(handle, ref_root_bh);
- mlog(0, "new leaf block %llu, used %u\n", (unsigned long long)blkno,
- le16_to_cpu(new_rb->rf_records.rl_used));
+ trace_ocfs2_expand_inline_ref_root((unsigned long long)blkno,
+ le16_to_cpu(new_rb->rf_records.rl_used));
*ref_leaf_bh = new_bh;
new_bh = NULL;
@@ -1466,9 +1466,9 @@ static int ocfs2_divide_leaf_refcount_block(struct buffer_head *ref_leaf_bh,
(struct ocfs2_refcount_block *)new_bh->b_data;
struct ocfs2_refcount_list *new_rl = &new_rb->rf_records;
- mlog(0, "split old leaf refcount block %llu, count = %u, used = %u\n",
- (unsigned long long)ref_leaf_bh->b_blocknr,
- le32_to_cpu(rl->rl_count), le32_to_cpu(rl->rl_used));
+ trace_ocfs2_divide_leaf_refcount_block(
+ (unsigned long long)ref_leaf_bh->b_blocknr,
+ le32_to_cpu(rl->rl_count), le32_to_cpu(rl->rl_used));
/*
* XXX: Improvement later.
@@ -1601,8 +1601,8 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
ocfs2_init_refcount_extent_tree(&ref_et, ci, ref_root_bh);
- mlog(0, "insert new leaf block %llu at %u\n",
- (unsigned long long)new_bh->b_blocknr, new_cpos);
+ trace_ocfs2_new_leaf_refcount_block(
+ (unsigned long long)new_bh->b_blocknr, new_cpos);
/* Insert the new leaf block with the specific offset cpos. */
ret = ocfs2_insert_extent(handle, &ref_et, new_cpos, new_bh->b_blocknr,
@@ -1794,11 +1794,10 @@ static int ocfs2_insert_refcount_rec(handle_t *handle,
(le16_to_cpu(rf_list->rl_used) - index) *
sizeof(struct ocfs2_refcount_rec));
- mlog(0, "insert refcount record start %llu, len %u, count %u "
- "to leaf block %llu at index %d\n",
- (unsigned long long)le64_to_cpu(rec->r_cpos),
- le32_to_cpu(rec->r_clusters), le32_to_cpu(rec->r_refcount),
- (unsigned long long)ref_leaf_bh->b_blocknr, index);
+ trace_ocfs2_insert_refcount_rec(
+ (unsigned long long)ref_leaf_bh->b_blocknr, index,
+ (unsigned long long)le64_to_cpu(rec->r_cpos),
+ le32_to_cpu(rec->r_clusters), le32_to_cpu(rec->r_refcount));
rf_list->rl_recs[index] = *rec;
@@ -1850,10 +1849,12 @@ static int ocfs2_split_refcount_rec(handle_t *handle,
BUG_ON(le32_to_cpu(rb->rf_flags) & OCFS2_REFCOUNT_TREE_FL);
- mlog(0, "original r_pos %llu, cluster %u, split %llu, cluster %u\n",
- le64_to_cpu(orig_rec->r_cpos), le32_to_cpu(orig_rec->r_clusters),
- le64_to_cpu(split_rec->r_cpos),
- le32_to_cpu(split_rec->r_clusters));
+ trace_ocfs2_split_refcount_rec(le64_to_cpu(orig_rec->r_cpos),
+ le32_to_cpu(orig_rec->r_clusters),
+ le32_to_cpu(orig_rec->r_refcount),
+ le64_to_cpu(split_rec->r_cpos),
+ le32_to_cpu(split_rec->r_clusters),
+ le32_to_cpu(split_rec->r_refcount));
/*
* If we just need to split the header or tail clusters,
@@ -1967,12 +1968,11 @@ static int ocfs2_split_refcount_rec(handle_t *handle,
if (split_rec->r_refcount) {
rf_list->rl_recs[index] = *split_rec;
- mlog(0, "insert refcount record start %llu, len %u, count %u "
- "to leaf block %llu at index %d\n",
- (unsigned long long)le64_to_cpu(split_rec->r_cpos),
- le32_to_cpu(split_rec->r_clusters),
- le32_to_cpu(split_rec->r_refcount),
- (unsigned long long)ref_leaf_bh->b_blocknr, index);
+ trace_ocfs2_split_refcount_rec_insert(
+ (unsigned long long)ref_leaf_bh->b_blocknr, index,
+ (unsigned long long)le64_to_cpu(split_rec->r_cpos),
+ le32_to_cpu(split_rec->r_clusters),
+ le32_to_cpu(split_rec->r_refcount));
if (merge)
ocfs2_refcount_rec_merge(rb, index);
@@ -1997,7 +1997,7 @@ static int __ocfs2_increase_refcount(handle_t *handle,
struct ocfs2_refcount_rec rec;
unsigned int set_len = 0;
- mlog(0, "Tree owner %llu, add refcount start %llu, len %u\n",
+ trace_ocfs2_increase_refcount_begin(
(unsigned long long)ocfs2_metadata_cache_owner(ci),
(unsigned long long)cpos, len);
@@ -2024,9 +2024,9 @@ static int __ocfs2_increase_refcount(handle_t *handle,
*/
if (rec.r_refcount && le64_to_cpu(rec.r_cpos) == cpos &&
set_len <= len) {
- mlog(0, "increase refcount rec, start %llu, len %u, "
- "count %u\n", (unsigned long long)cpos, set_len,
- le32_to_cpu(rec.r_refcount));
+ trace_ocfs2_increase_refcount_change(
+ (unsigned long long)cpos, set_len,
+ le32_to_cpu(rec.r_refcount));
ret = ocfs2_change_refcount_rec(handle, ci,
ref_leaf_bh, index,
merge, 1);
@@ -2037,7 +2037,7 @@ static int __ocfs2_increase_refcount(handle_t *handle,
} else if (!rec.r_refcount) {
rec.r_refcount = cpu_to_le32(1);
- mlog(0, "insert refcount rec, start %llu, len %u\n",
+ trace_ocfs2_increase_refcount_insert(
(unsigned long long)le64_to_cpu(rec.r_cpos),
set_len);
ret = ocfs2_insert_refcount_rec(handle, ci, ref_root_bh,
@@ -2055,8 +2055,7 @@ static int __ocfs2_increase_refcount(handle_t *handle,
rec.r_clusters = cpu_to_le32(set_len);
le32_add_cpu(&rec.r_refcount, 1);
- mlog(0, "split refcount rec, start %llu, "
- "len %u, count %u\n",
+ trace_ocfs2_increase_refcount_split(
(unsigned long long)le64_to_cpu(rec.r_cpos),
set_len, le32_to_cpu(rec.r_refcount));
ret = ocfs2_split_refcount_rec(handle, ci,
@@ -2095,6 +2094,11 @@ static int ocfs2_remove_refcount_extent(handle_t *handle,
BUG_ON(rb->rf_records.rl_used);
+ trace_ocfs2_remove_refcount_extent(
+ (unsigned long long)ocfs2_metadata_cache_owner(ci),
+ (unsigned long long)ref_leaf_bh->b_blocknr,
+ le32_to_cpu(rb->rf_cpos));
+
ocfs2_init_refcount_extent_tree(&et, ci, ref_root_bh);
ret = ocfs2_remove_extent(handle, &et, le32_to_cpu(rb->rf_cpos),
1, meta_ac, dealloc);
@@ -2137,7 +2141,7 @@ static int ocfs2_remove_refcount_extent(handle_t *handle,
if (!rb->rf_list.l_next_free_rec) {
BUG_ON(rb->rf_clusters);
- mlog(0, "reset refcount tree root %llu to be a record block.\n",
+ trace_ocfs2_restore_refcount_block(
(unsigned long long)ref_root_bh->b_blocknr);
rb->rf_flags = 0;
@@ -2184,6 +2188,10 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle,
BUG_ON(cpos + len >
le64_to_cpu(rec->r_cpos) + le32_to_cpu(rec->r_clusters));
+ trace_ocfs2_decrease_refcount_rec(
+ (unsigned long long)ocfs2_metadata_cache_owner(ci),
+ (unsigned long long)cpos, len);
+
if (cpos == le64_to_cpu(rec->r_cpos) &&
len == le32_to_cpu(rec->r_clusters))
ret = ocfs2_change_refcount_rec(handle, ci,
@@ -2195,12 +2203,6 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle,
le32_add_cpu(&split.r_refcount, -1);
- mlog(0, "split refcount rec, start %llu, "
- "len %u, count %u, original start %llu, len %u\n",
- (unsigned long long)le64_to_cpu(split.r_cpos),
- len, le32_to_cpu(split.r_refcount),
- (unsigned long long)le64_to_cpu(rec->r_cpos),
- le32_to_cpu(rec->r_clusters));
ret = ocfs2_split_refcount_rec(handle, ci,
ref_root_bh, ref_leaf_bh,
&split, index, 1,
@@ -2239,10 +2241,9 @@ static int __ocfs2_decrease_refcount(handle_t *handle,
struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
struct buffer_head *ref_leaf_bh = NULL;
- mlog(0, "Tree owner %llu, decrease refcount start %llu, "
- "len %u, delete %u\n",
- (unsigned long long)ocfs2_metadata_cache_owner(ci),
- (unsigned long long)cpos, len, delete);
+ trace_ocfs2_decrease_refcount(
+ (unsigned long long)ocfs2_metadata_cache_owner(ci),
+ (unsigned long long)cpos, len, delete);
while (len) {
ret = ocfs2_get_refcount_rec(ci, ref_root_bh,
@@ -2352,8 +2353,8 @@ static int ocfs2_mark_extent_refcounted(struct inode *inode,
{
int ret;
- mlog(0, "Inode %lu refcount tree cpos %u, len %u, phys cluster %u\n",
- inode->i_ino, cpos, len, phys);
+ trace_ocfs2_mark_extent_refcounted(OCFS2_I(inode)->ip_blkno,
+ cpos, len, phys);
if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb))) {
ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
@@ -2392,8 +2393,6 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
struct buffer_head *ref_leaf_bh = NULL, *prev_bh = NULL;
u32 len;
- mlog(0, "start_cpos %llu, clusters %u\n",
- (unsigned long long)start_cpos, clusters);
while (clusters) {
ret = ocfs2_get_refcount_rec(ci, ref_root_bh,
cpos, clusters, &rec,
@@ -2427,12 +2426,11 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
rb = (struct ocfs2_refcount_block *)ref_leaf_bh->b_data;
- mlog(0, "recs_add %d,cpos %llu, clusters %u, rec->r_cpos %llu,"
- "rec->r_clusters %u, rec->r_refcount %u, index %d\n",
- recs_add, (unsigned long long)cpos, clusters,
- (unsigned long long)le64_to_cpu(rec.r_cpos),
- le32_to_cpu(rec.r_clusters),
- le32_to_cpu(rec.r_refcount), index);
+ trace_ocfs2_calc_refcount_meta_credits_iterate(
+ recs_add, (unsigned long long)cpos, clusters,
+ (unsigned long long)le64_to_cpu(rec.r_cpos),
+ le32_to_cpu(rec.r_clusters),
+ le32_to_cpu(rec.r_refcount), index);
len = min((u64)cpos + clusters, le64_to_cpu(rec.r_cpos) +
le32_to_cpu(rec.r_clusters)) - cpos;
@@ -2488,7 +2486,6 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
if (!ref_blocks)
goto out;
- mlog(0, "we need ref_blocks %d\n", ref_blocks);
*meta_add += ref_blocks;
*credits += ref_blocks;
@@ -2514,6 +2511,10 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
}
out:
+
+ trace_ocfs2_calc_refcount_meta_credits(
+ (unsigned long long)start_cpos, clusters,
+ *meta_add, *credits);
brelse(ref_leaf_bh);
brelse(prev_bh);
return ret;
@@ -2578,8 +2579,7 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
goto out;
}
- mlog(0, "reserve new metadata %d blocks, credits = %d\n",
- *ref_blocks, *credits);
+ trace_ocfs2_prepare_refcount_change_for_del(*ref_blocks, *credits);
out:
brelse(ref_root_bh);
@@ -2886,8 +2886,7 @@ static int ocfs2_lock_refcount_allocators(struct super_block *sb,
goto out;
}
- mlog(0, "reserve new metadata %d, clusters %u, credits = %d\n",
- meta_add, num_clusters, *credits);
+ trace_ocfs2_lock_refcount_allocators(meta_add, *credits);
ret = ocfs2_reserve_new_metadata_blocks(OCFS2_SB(sb), meta_add,
meta_ac);
if (ret) {
@@ -2937,8 +2936,8 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle,
loff_t offset, end, map_end;
struct address_space *mapping = context->inode->i_mapping;
- mlog(0, "old_cluster %u, new %u, len %u at offset %u\n", old_cluster,
- new_cluster, new_len, cpos);
+ trace_ocfs2_duplicate_clusters_by_page(cpos, old_cluster,
+ new_cluster, new_len);
readahead_pages =
(ocfs2_cow_contig_clusters(sb) <<
@@ -3031,8 +3030,8 @@ static int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
struct buffer_head *old_bh = NULL;
struct buffer_head *new_bh = NULL;
- mlog(0, "old_cluster %u, new %u, len %u\n", old_cluster,
- new_cluster, new_len);
+ trace_ocfs2_duplicate_clusters_by_page(cpos, old_cluster,
+ new_cluster, new_len);
for (i = 0; i < blocks; i++, old_block++, new_block++) {
new_bh = sb_getblk(osb->sb, new_block);
@@ -3085,8 +3084,8 @@ static int ocfs2_clear_ext_refcount(handle_t *handle,
struct super_block *sb = ocfs2_metadata_cache_get_super(et->et_ci);
u64 ino = ocfs2_metadata_cache_owner(et->et_ci);
- mlog(0, "inode %llu cpos %u, len %u, p_cluster %u, ext_flags %u\n",
- (unsigned long long)ino, cpos, len, p_cluster, ext_flags);
+ trace_ocfs2_clear_ext_refcount((unsigned long long)ino,
+ cpos, len, p_cluster, ext_flags);
memset(&replace_rec, 0, sizeof(replace_rec));
replace_rec.e_cpos = cpu_to_le32(cpos);
@@ -3141,8 +3140,8 @@ static int ocfs2_replace_clusters(handle_t *handle,
struct ocfs2_caching_info *ci = context->data_et.et_ci;
u64 ino = ocfs2_metadata_cache_owner(ci);
- mlog(0, "inode %llu, cpos %u, old %u, new %u, len %u, ext_flags %u\n",
- (unsigned long long)ino, cpos, old, new, len, ext_flags);
+ trace_ocfs2_replace_clusters((unsigned long long)ino,
+ cpos, old, new, len, ext_flags);
/*If the old clusters is unwritten, no need to duplicate. */
if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) {
@@ -3236,8 +3235,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
struct ocfs2_caching_info *ref_ci = &context->ref_tree->rf_ci;
struct ocfs2_refcount_rec rec;
- mlog(0, "cpos %u, p_cluster %u, num_clusters %u, e_flags %u\n",
- cpos, p_cluster, num_clusters, e_flags);
+ trace_ocfs2_make_clusters_writable(cpos, p_cluster,
+ num_clusters, e_flags);
ret = ocfs2_lock_refcount_allocators(sb, p_cluster, num_clusters,
&context->data_et,
@@ -3475,9 +3474,9 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode,
goto out;
}
- mlog(0, "CoW inode %lu, cpos %u, write_len %u, cow_start %u, "
- "cow_len %u\n", inode->i_ino,
- cpos, write_len, cow_start, cow_len);
+ trace_ocfs2_refcount_cow_hunk(OCFS2_I(inode)->ip_blkno,
+ cpos, write_len, max_cpos,
+ cow_start, cow_len);
BUG_ON(cow_len == 0);
@@ -3756,8 +3755,7 @@ int ocfs2_add_refcount_flag(struct inode *inode,
goto out;
}
- mlog(0, "reserve new metadata %d, credits = %d\n",
- ref_blocks, credits);
+ trace_ocfs2_add_refcount_flag(ref_blocks, credits);
if (ref_blocks) {
ret = ocfs2_reserve_new_metadata_blocks(OCFS2_SB(inode->i_sb),