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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/dir.c
parent1788c208aab15f9d9d1d24cff0d0c64b5c73bbee (diff)
parent272b62c1f0f6f742046e45b50b6fec98860208a0 (diff)
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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/dir.c')
-rw-r--r--fs/ocfs2/dir.c121
1 files changed, 52 insertions, 69 deletions
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index f97b6f1c61dd..9fe5b8fd658f 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -43,7 +43,6 @@
#include <linux/quotaops.h>
#include <linux/sort.h>
-#define MLOG_MASK_PREFIX ML_NAMEI
#include <cluster/masklog.h>
#include "ocfs2.h"
@@ -61,6 +60,7 @@
#include "super.h"
#include "sysfile.h"
#include "uptodate.h"
+#include "ocfs2_trace.h"
#include "buffer_head_io.h"
@@ -322,21 +322,23 @@ static int ocfs2_check_dir_entry(struct inode * dir,
const char *error_msg = NULL;
const int rlen = le16_to_cpu(de->rec_len);
- if (rlen < OCFS2_DIR_REC_LEN(1))
+ if (unlikely(rlen < OCFS2_DIR_REC_LEN(1)))
error_msg = "rec_len is smaller than minimal";
- else if (rlen % 4 != 0)
+ else if (unlikely(rlen % 4 != 0))
error_msg = "rec_len % 4 != 0";
- else if (rlen < OCFS2_DIR_REC_LEN(de->name_len))
+ else if (unlikely(rlen < OCFS2_DIR_REC_LEN(de->name_len)))
error_msg = "rec_len is too small for name_len";
- else if (((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize)
+ else if (unlikely(
+ ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))
error_msg = "directory entry across blocks";
- if (error_msg != NULL)
+ if (unlikely(error_msg != NULL))
mlog(ML_ERROR, "bad entry in directory #%llu: %s - "
"offset=%lu, inode=%llu, rec_len=%d, name_len=%d\n",
(unsigned long long)OCFS2_I(dir)->ip_blkno, error_msg,
offset, (unsigned long long)le64_to_cpu(de->inode), rlen,
de->name_len);
+
return error_msg == NULL ? 1 : 0;
}
@@ -367,8 +369,6 @@ static inline int ocfs2_search_dirblock(struct buffer_head *bh,
int de_len;
int ret = 0;
- mlog_entry_void();
-
de_buf = first_de;
dlimit = de_buf + bytes;
@@ -402,7 +402,7 @@ static inline int ocfs2_search_dirblock(struct buffer_head *bh,
}
bail:
- mlog_exit(ret);
+ trace_ocfs2_search_dirblock(ret);
return ret;
}
@@ -447,8 +447,7 @@ static int ocfs2_validate_dir_block(struct super_block *sb,
* We don't validate dirents here, that's handled
* in-place when the code walks them.
*/
- mlog(0, "Validating dirblock %llu\n",
- (unsigned long long)bh->b_blocknr);
+ trace_ocfs2_validate_dir_block((unsigned long long)bh->b_blocknr);
BUG_ON(!buffer_uptodate(bh));
@@ -706,8 +705,6 @@ static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen,
int num = 0;
int nblocks, i, err;
- mlog_entry_void();
-
sb = dir->i_sb;
nblocks = i_size_read(dir) >> sb->s_blocksize_bits;
@@ -788,7 +785,7 @@ cleanup_and_exit:
for (; ra_ptr < ra_max; ra_ptr++)
brelse(bh_use[ra_ptr]);
- mlog_exit_ptr(ret);
+ trace_ocfs2_find_entry_el(ret);
return ret;
}
@@ -950,11 +947,9 @@ static int ocfs2_dx_dir_search(const char *name, int namelen,
goto out;
}
- mlog(0, "Dir %llu: name: \"%.*s\", lookup of hash: %u.0x%x "
- "returns: %llu\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno,
- namelen, name, hinfo->major_hash, hinfo->minor_hash,
- (unsigned long long)phys);
+ trace_ocfs2_dx_dir_search((unsigned long long)OCFS2_I(dir)->ip_blkno,
+ namelen, name, hinfo->major_hash,
+ hinfo->minor_hash, (unsigned long long)phys);
ret = ocfs2_read_dx_leaf(dir, phys, &dx_leaf_bh);
if (ret) {
@@ -964,9 +959,9 @@ static int ocfs2_dx_dir_search(const char *name, int namelen,
dx_leaf = (struct ocfs2_dx_leaf *) dx_leaf_bh->b_data;
- mlog(0, "leaf info: num_used: %d, count: %d\n",
- le16_to_cpu(dx_leaf->dl_list.de_num_used),
- le16_to_cpu(dx_leaf->dl_list.de_count));
+ trace_ocfs2_dx_dir_search_leaf_info(
+ le16_to_cpu(dx_leaf->dl_list.de_num_used),
+ le16_to_cpu(dx_leaf->dl_list.de_count));
entry_list = &dx_leaf->dl_list;
@@ -1166,8 +1161,6 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,
int i, status = -ENOENT;
ocfs2_journal_access_func access = ocfs2_journal_access_db;
- mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p)\n", handle, dir, de_del, bh);
-
if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)
access = ocfs2_journal_access_di;
@@ -1202,7 +1195,6 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,
de = (struct ocfs2_dir_entry *)((char *)de + le16_to_cpu(de->rec_len));
}
bail:
- mlog_exit(status);
return status;
}
@@ -1348,8 +1340,8 @@ static int ocfs2_delete_entry_dx(handle_t *handle, struct inode *dir,
}
}
- mlog(0, "Dir %llu: delete entry at index: %d\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno, index);
+ trace_ocfs2_delete_entry_dx((unsigned long long)OCFS2_I(dir)->ip_blkno,
+ index);
ret = __ocfs2_delete_entry(handle, dir, lookup->dl_entry,
leaf_bh, leaf_bh->b_data, leaf_bh->b_size);
@@ -1632,8 +1624,6 @@ int __ocfs2_add_entry(handle_t *handle,
struct buffer_head *insert_bh = lookup->dl_leaf_bh;
char *data_start = insert_bh->b_data;
- mlog_entry_void();
-
if (!namelen)
return -EINVAL;
@@ -1765,8 +1755,9 @@ int __ocfs2_add_entry(handle_t *handle,
* from ever getting here. */
retval = -ENOSPC;
bail:
+ if (retval)
+ mlog_errno(retval);
- mlog_exit(retval);
return retval;
}
@@ -2028,8 +2019,7 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
struct inode *inode = filp->f_path.dentry->d_inode;
int lock_level = 0;
- mlog_entry("dirino=%llu\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno);
+ trace_ocfs2_readdir((unsigned long long)OCFS2_I(inode)->ip_blkno);
error = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level);
if (lock_level && error >= 0) {
@@ -2051,9 +2041,10 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
dirent, filldir, NULL);
ocfs2_inode_unlock(inode, lock_level);
+ if (error)
+ mlog_errno(error);
bail_nolock:
- mlog_exit(error);
return error;
}
@@ -2069,8 +2060,8 @@ int ocfs2_find_files_on_disk(const char *name,
{
int status = -ENOENT;
- mlog(0, "name=%.*s, blkno=%p, inode=%llu\n", namelen, name, blkno,
- (unsigned long long)OCFS2_I(inode)->ip_blkno);
+ trace_ocfs2_find_files_on_disk(namelen, name, blkno,
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
status = ocfs2_find_entry(name, namelen, inode, lookup);
if (status)
@@ -2114,8 +2105,8 @@ int ocfs2_check_dir_for_entry(struct inode *dir,
int ret;
struct ocfs2_dir_lookup_result lookup = { NULL, };
- mlog_entry("dir %llu, name '%.*s'\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno, namelen, name);
+ trace_ocfs2_check_dir_for_entry(
+ (unsigned long long)OCFS2_I(dir)->ip_blkno, namelen, name);
ret = -EEXIST;
if (ocfs2_find_entry(name, namelen, dir, &lookup) == 0)
@@ -2125,7 +2116,8 @@ int ocfs2_check_dir_for_entry(struct inode *dir,
bail:
ocfs2_free_dir_lookup_result(&lookup);
- mlog_exit(ret);
+ if (ret)
+ mlog_errno(ret);
return ret;
}
@@ -2324,8 +2316,6 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb,
struct buffer_head *new_bh = NULL;
struct ocfs2_dir_entry *de;
- mlog_entry_void();
-
if (ocfs2_new_dir_wants_trailer(inode))
size = ocfs2_dir_trailer_blk_off(parent->i_sb);
@@ -2380,7 +2370,6 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb,
bail:
brelse(new_bh);
- mlog_exit(status);
return status;
}
@@ -2409,9 +2398,9 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
goto out;
}
- mlog(0, "Dir %llu, attach new index block: %llu\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno,
- (unsigned long long)dr_blkno);
+ trace_ocfs2_dx_dir_attach_index(
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long long)dr_blkno);
dx_root_bh = sb_getblk(osb->sb, dr_blkno);
if (dx_root_bh == NULL) {
@@ -2511,11 +2500,10 @@ static int ocfs2_dx_dir_format_cluster(struct ocfs2_super *osb,
dx_leaf->dl_list.de_count =
cpu_to_le16(ocfs2_dx_entries_per_leaf(osb->sb));
- mlog(0,
- "Dir %llu, format dx_leaf: %llu, entry count: %u\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno,
- (unsigned long long)bh->b_blocknr,
- le16_to_cpu(dx_leaf->dl_list.de_count));
+ trace_ocfs2_dx_dir_format_cluster(
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long long)bh->b_blocknr,
+ le16_to_cpu(dx_leaf->dl_list.de_count));
ocfs2_journal_dirty(handle, bh);
}
@@ -2759,12 +2747,11 @@ static void ocfs2_dx_dir_index_root_block(struct inode *dir,
ocfs2_dx_dir_name_hash(dir, de->name, de->name_len, &hinfo);
- mlog(0,
- "dir: %llu, major: 0x%x minor: 0x%x, index: %u, name: %.*s\n",
- (unsigned long long)dir->i_ino, hinfo.major_hash,
- hinfo.minor_hash,
- le16_to_cpu(dx_root->dr_entries.de_num_used),
- de->name_len, de->name);
+ trace_ocfs2_dx_dir_index_root_block(
+ (unsigned long long)dir->i_ino,
+ hinfo.major_hash, hinfo.minor_hash,
+ de->name_len, de->name,
+ le16_to_cpu(dx_root->dr_entries.de_num_used));
ocfs2_dx_entry_list_insert(&dx_root->dr_entries, &hinfo,
dirent_blk);
@@ -3235,7 +3222,6 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
bail:
if (did_quota && status < 0)
dquot_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));
- mlog_exit(status);
return status;
}
@@ -3270,8 +3256,6 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
struct ocfs2_extent_tree et;
struct buffer_head *dx_root_bh = lookup->dl_dx_root_bh;
- mlog_entry_void();
-
if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
/*
* This would be a code error as an inline directory should
@@ -3320,8 +3304,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
down_write(&OCFS2_I(dir)->ip_alloc_sem);
drop_alloc_sem = 1;
dir_i_size = i_size_read(dir);
- mlog(0, "extending dir %llu (i_size = %lld)\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno, dir_i_size);
+ trace_ocfs2_extend_dir((unsigned long long)OCFS2_I(dir)->ip_blkno,
+ dir_i_size);
/* dir->i_size is always block aligned. */
spin_lock(&OCFS2_I(dir)->ip_lock);
@@ -3436,7 +3420,6 @@ bail:
brelse(new_bh);
- mlog_exit(status);
return status;
}
@@ -3583,8 +3566,9 @@ next:
status = 0;
bail:
brelse(bh);
+ if (status)
+ mlog_errno(status);
- mlog_exit(status);
return status;
}
@@ -3815,9 +3799,9 @@ static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,
struct ocfs2_dx_root_block *dx_root;
struct ocfs2_dx_leaf *tmp_dx_leaf = NULL;
- mlog(0, "DX Dir: %llu, rebalance leaf leaf_blkno: %llu insert: %u\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno,
- (unsigned long long)leaf_blkno, insert_hash);
+ trace_ocfs2_dx_dir_rebalance((unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long long)leaf_blkno,
+ insert_hash);
ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);
@@ -3897,8 +3881,7 @@ static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,
goto out_commit;
}
- mlog(0, "Split leaf (%u) at %u, insert major hash is %u\n",
- leaf_cpos, split_hash, insert_hash);
+ trace_ocfs2_dx_dir_rebalance_split(leaf_cpos, split_hash, insert_hash);
/*
* We have to carefully order operations here. There are items
@@ -4355,8 +4338,8 @@ int ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb,
unsigned int blocks_wanted = 1;
struct buffer_head *bh = NULL;
- mlog(0, "getting ready to insert namelen %d into dir %llu\n",
- namelen, (unsigned long long)OCFS2_I(dir)->ip_blkno);
+ trace_ocfs2_prepare_dir_for_insert(
+ (unsigned long long)OCFS2_I(dir)->ip_blkno, namelen);
if (!namelen) {
ret = -EINVAL;