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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 22:03:31 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 22:03:31 +0200
commit03e4970c10151c5fb25ddd7e9a142d63c6a8d058 (patch)
tree393447b9d0a6ebc64689d6e793e80ad549b97e35 /fs/ocfs2/super.c
parentMerge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 (diff)
parentTreat writes as new when holes span across page boundaries (diff)
downloadlinux-03e4970c10151c5fb25ddd7e9a142d63c6a8d058.tar.xz
linux-03e4970c10151c5fb25ddd7e9a142d63c6a8d058.zip
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/super.c')
-rw-r--r--fs/ocfs2/super.c89
1 files changed, 27 insertions, 62 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 236ed1bdca2c..69fa11b35aa4 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -42,7 +42,9 @@
#include <linux/seq_file.h>
#include <linux/quotaops.h>
-#define MLOG_MASK_PREFIX ML_SUPER
+#define CREATE_TRACE_POINTS
+#include "ocfs2_trace.h"
+
#include <cluster/masklog.h>
#include "ocfs2.h"
@@ -441,8 +443,6 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
int status = 0;
int i;
- mlog_entry_void();
-
new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE, 0);
if (IS_ERR(new)) {
status = PTR_ERR(new);
@@ -478,7 +478,8 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
}
bail:
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -488,8 +489,6 @@ static int ocfs2_init_local_system_inodes(struct ocfs2_super *osb)
int status = 0;
int i;
- mlog_entry_void();
-
for (i = OCFS2_LAST_GLOBAL_SYSTEM_INODE + 1;
i < NUM_SYSTEM_INODES;
i++) {
@@ -508,7 +507,8 @@ static int ocfs2_init_local_system_inodes(struct ocfs2_super *osb)
}
bail:
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -517,8 +517,6 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb)
int i;
struct inode *inode;
- mlog_entry_void();
-
for (i = 0; i < NUM_GLOBAL_SYSTEM_INODES; i++) {
inode = osb->global_system_inodes[i];
if (inode) {
@@ -540,7 +538,7 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb)
}
if (!osb->local_system_inodes)
- goto out;
+ return;
for (i = 0; i < NUM_LOCAL_SYSTEM_INODES * osb->max_slots; i++) {
if (osb->local_system_inodes[i]) {
@@ -551,9 +549,6 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb)
kfree(osb->local_system_inodes);
osb->local_system_inodes = NULL;
-
-out:
- mlog_exit(0);
}
/* We're allocating fs objects, use GFP_NOFS */
@@ -684,12 +679,9 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
}
if (*flags & MS_RDONLY) {
- mlog(0, "Going to ro mode.\n");
sb->s_flags |= MS_RDONLY;
osb->osb_flags |= OCFS2_OSB_SOFT_RO;
} else {
- mlog(0, "Making ro filesystem writeable.\n");
-
if (osb->osb_flags & OCFS2_OSB_ERROR_FS) {
mlog(ML_ERROR, "Cannot remount RDWR "
"filesystem due to previous errors.\n");
@@ -707,6 +699,7 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
sb->s_flags &= ~MS_RDONLY;
osb->osb_flags &= ~OCFS2_OSB_SOFT_RO;
}
+ trace_ocfs2_remount(sb->s_flags, osb->osb_flags, *flags);
unlock_osb:
spin_unlock(&osb->osb_lock);
/* Enable quota accounting after remounting RW */
@@ -1032,7 +1025,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
char nodestr[8];
struct ocfs2_blockcheck_stats stats;
- mlog_entry("%p, %p, %i", sb, data, silent);
+ trace_ocfs2_fill_super(sb, data, silent);
if (!ocfs2_parse_options(sb, data, &parsed_options, 0)) {
status = -EINVAL;
@@ -1208,7 +1201,6 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
mlog_errno(status);
atomic_set(&osb->vol_state, VOLUME_DISABLED);
wake_up(&osb->osb_mount_event);
- mlog_exit(status);
return status;
}
}
@@ -1222,7 +1214,6 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
/* Start this when the mount is almost sure of being successful */
ocfs2_orphan_scan_start(osb);
- mlog_exit(status);
return status;
read_super_error:
@@ -1237,7 +1228,8 @@ read_super_error:
ocfs2_dismount_volume(sb, 1);
}
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1320,8 +1312,7 @@ static int ocfs2_parse_options(struct super_block *sb,
char *p;
u32 tmp;
- mlog_entry("remount: %d, options: \"%s\"\n", is_remount,
- options ? options : "(none)");
+ trace_ocfs2_parse_options(is_remount, options ? options : "(none)");
mopt->commit_interval = 0;
mopt->mount_opt = OCFS2_MOUNT_NOINTR;
@@ -1538,7 +1529,6 @@ static int ocfs2_parse_options(struct super_block *sb,
status = 1;
bail:
- mlog_exit(status);
return status;
}
@@ -1629,8 +1619,6 @@ static int __init ocfs2_init(void)
{
int status;
- mlog_entry_void();
-
ocfs2_print_version();
status = init_ocfs2_uptodate_cache();
@@ -1664,10 +1652,9 @@ leave:
if (status < 0) {
ocfs2_free_mem_caches();
exit_ocfs2_uptodate_cache();
+ mlog_errno(status);
}
- mlog_exit(status);
-
if (status >= 0) {
return register_filesystem(&ocfs2_fs_type);
} else
@@ -1676,8 +1663,6 @@ leave:
static void __exit ocfs2_exit(void)
{
- mlog_entry_void();
-
if (ocfs2_wq) {
flush_workqueue(ocfs2_wq);
destroy_workqueue(ocfs2_wq);
@@ -1692,18 +1677,14 @@ static void __exit ocfs2_exit(void)
unregister_filesystem(&ocfs2_fs_type);
exit_ocfs2_uptodate_cache();
-
- mlog_exit_void();
}
static void ocfs2_put_super(struct super_block *sb)
{
- mlog_entry("(0x%p)\n", sb);
+ trace_ocfs2_put_super(sb);
ocfs2_sync_blockdev(sb);
ocfs2_dismount_volume(sb, 0);
-
- mlog_exit_void();
}
static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
@@ -1715,7 +1696,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
struct buffer_head *bh = NULL;
struct inode *inode = NULL;
- mlog_entry("(%p, %p)\n", dentry->d_sb, buf);
+ trace_ocfs2_statfs(dentry->d_sb, buf);
osb = OCFS2_SB(dentry->d_sb);
@@ -1762,7 +1743,8 @@ bail:
if (inode)
iput(inode);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1882,8 +1864,6 @@ static int ocfs2_mount_volume(struct super_block *sb)
int unlock_super = 0;
struct ocfs2_super *osb = OCFS2_SB(sb);
- mlog_entry_void();
-
if (ocfs2_is_hard_readonly(osb))
goto leave;
@@ -1928,7 +1908,6 @@ leave:
if (unlock_super)
ocfs2_super_unlock(osb, 1);
- mlog_exit(status);
return status;
}
@@ -1938,7 +1917,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
struct ocfs2_super *osb = NULL;
char nodestr[8];
- mlog_entry("(0x%p)\n", sb);
+ trace_ocfs2_dismount_volume(sb);
BUG_ON(!sb);
osb = OCFS2_SB(sb);
@@ -2090,8 +2069,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
struct ocfs2_super *osb;
u64 total_blocks;
- mlog_entry_void();
-
osb = kzalloc(sizeof(struct ocfs2_super), GFP_KERNEL);
if (!osb) {
status = -ENOMEM;
@@ -2155,7 +2132,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
status = -EINVAL;
goto bail;
}
- mlog(0, "max_slots for this device: %u\n", osb->max_slots);
ocfs2_orphan_scan_init(osb);
@@ -2294,7 +2270,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
osb->s_clustersize_bits =
le32_to_cpu(di->id2.i_super.s_clustersize_bits);
osb->s_clustersize = 1 << osb->s_clustersize_bits;
- mlog(0, "clusterbits=%d\n", osb->s_clustersize_bits);
if (osb->s_clustersize < OCFS2_MIN_CLUSTERSIZE ||
osb->s_clustersize > OCFS2_MAX_CLUSTERSIZE) {
@@ -2333,11 +2308,10 @@ static int ocfs2_initialize_super(struct super_block *sb,
le64_to_cpu(di->id2.i_super.s_first_cluster_group);
osb->fs_generation = le32_to_cpu(di->i_fs_generation);
osb->uuid_hash = le32_to_cpu(di->id2.i_super.s_uuid_hash);
- mlog(0, "vol_label: %s\n", osb->vol_label);
- mlog(0, "uuid: %s\n", osb->uuid_str);
- mlog(0, "root_blkno=%llu, system_dir_blkno=%llu\n",
- (unsigned long long)osb->root_blkno,
- (unsigned long long)osb->system_dir_blkno);
+ trace_ocfs2_initialize_super(osb->vol_label, osb->uuid_str,
+ (unsigned long long)osb->root_blkno,
+ (unsigned long long)osb->system_dir_blkno,
+ osb->s_clustersize_bits);
osb->osb_dlm_debug = ocfs2_new_dlm_debug();
if (!osb->osb_dlm_debug) {
@@ -2380,7 +2354,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
}
bail:
- mlog_exit(status);
return status;
}
@@ -2396,8 +2369,6 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di,
{
int status = -EAGAIN;
- mlog_entry_void();
-
if (memcmp(di->i_signature, OCFS2_SUPER_BLOCK_SIGNATURE,
strlen(OCFS2_SUPER_BLOCK_SIGNATURE)) == 0) {
/* We have to do a raw check of the feature here */
@@ -2452,7 +2423,8 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di,
}
out:
- mlog_exit(status);
+ if (status && status != -EAGAIN)
+ mlog_errno(status);
return status;
}
@@ -2465,8 +2437,6 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
* recover
* ourselves. */
- mlog_entry_void();
-
/* Init our journal object. */
status = ocfs2_journal_init(osb->journal, &dirty);
if (status < 0) {
@@ -2516,8 +2486,6 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
* ourselves as mounted. */
}
- mlog(0, "Journal loaded.\n");
-
status = ocfs2_load_local_alloc(osb);
if (status < 0) {
mlog_errno(status);
@@ -2549,7 +2517,8 @@ finally:
if (local_alloc)
kfree(local_alloc);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -2561,8 +2530,6 @@ finally:
*/
static void ocfs2_delete_osb(struct ocfs2_super *osb)
{
- mlog_entry_void();
-
/* This function assumes that the caller has the main osb resource */
ocfs2_free_slot_info(osb);
@@ -2580,8 +2547,6 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb)
kfree(osb->uuid_str);
ocfs2_put_dlm_debug(osb->osb_dlm_debug);
memset(osb, 0, sizeof(struct ocfs2_super));
-
- mlog_exit_void();
}
/* Put OCFS2 into a readonly state, or (if the user specifies it),