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path: root/fs/ocfs2/super.c
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Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c90
1 files changed, 60 insertions, 30 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 79ff8d9d37e..d33767f17ba 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -42,6 +42,7 @@
#include <linux/mount.h>
#include <linux/seq_file.h>
#include <linux/quotaops.h>
+#include <linux/smp_lock.h>
#define MLOG_MASK_PREFIX ML_SUPER
#include <cluster/masklog.h>
@@ -118,15 +119,16 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb);
static int ocfs2_check_volume(struct ocfs2_super *osb);
static int ocfs2_verify_volume(struct ocfs2_dinode *di,
struct buffer_head *bh,
- u32 sectsize);
+ u32 sectsize,
+ struct ocfs2_blockcheck_stats *stats);
static int ocfs2_initialize_super(struct super_block *sb,
struct buffer_head *bh,
- int sector_size);
+ int sector_size,
+ struct ocfs2_blockcheck_stats *stats);
static int ocfs2_get_sector(struct super_block *sb,
struct buffer_head **bh,
int block,
int sect_size);
-static void ocfs2_write_super(struct super_block *sb);
static struct inode *ocfs2_alloc_inode(struct super_block *sb);
static void ocfs2_destroy_inode(struct inode *inode);
static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend);
@@ -141,7 +143,6 @@ static const struct super_operations ocfs2_sops = {
.clear_inode = ocfs2_clear_inode,
.delete_inode = ocfs2_delete_inode,
.sync_fs = ocfs2_sync_fs,
- .write_super = ocfs2_write_super,
.put_super = ocfs2_put_super,
.remount_fs = ocfs2_remount,
.show_options = ocfs2_show_options,
@@ -208,6 +209,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
int i;
struct ocfs2_cluster_connection *cconn = osb->cconn;
struct ocfs2_recovery_map *rm = osb->recovery_map;
+ struct ocfs2_orphan_scan *os;
out += snprintf(buf + out, len - out,
"%10s => Id: %-s Uuid: %-s Gen: 0x%X Label: %-s\n",
@@ -309,6 +311,13 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
i, osb->slot_recovery_generations[i]);
}
+ os = &osb->osb_orphan_scan;
+ out += snprintf(buf + out, len - out, "Orphan Scan=> ");
+ out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
+ os->os_count, os->os_seqno);
+ out += snprintf(buf + out, len - out, " Last Scan: %lu seconds ago\n",
+ (get_seconds() - os->os_scantime.tv_sec));
+
return out;
}
@@ -365,24 +374,12 @@ static struct file_operations ocfs2_osb_debug_fops = {
.llseek = generic_file_llseek,
};
-/*
- * write_super and sync_fs ripped right out of ext3.
- */
-static void ocfs2_write_super(struct super_block *sb)
-{
- if (mutex_trylock(&sb->s_lock) != 0)
- BUG();
- sb->s_dirt = 0;
-}
-
static int ocfs2_sync_fs(struct super_block *sb, int wait)
{
int status;
tid_t target;
struct ocfs2_super *osb = OCFS2_SB(sb);
- sb->s_dirt = 0;
-
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
@@ -595,6 +592,8 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
struct mount_options parsed_options;
struct ocfs2_super *osb = OCFS2_SB(sb);
+ lock_kernel();
+
if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) {
ret = -EINVAL;
goto out;
@@ -698,12 +697,14 @@ unlock_osb:
ocfs2_set_journal_params(osb);
}
out:
+ unlock_kernel();
return ret;
}
static int ocfs2_sb_probe(struct super_block *sb,
struct buffer_head **bh,
- int *sector_size)
+ int *sector_size,
+ struct ocfs2_blockcheck_stats *stats)
{
int status, tmpstat;
struct ocfs1_vol_disk_hdr *hdr;
@@ -713,7 +714,7 @@ static int ocfs2_sb_probe(struct super_block *sb,
*bh = NULL;
/* may be > 512 */
- *sector_size = bdev_hardsect_size(sb->s_bdev);
+ *sector_size = bdev_logical_block_size(sb->s_bdev);
if (*sector_size > OCFS2_MAX_BLOCKSIZE) {
mlog(ML_ERROR, "Hardware sector size too large: %d (max=%d)\n",
*sector_size, OCFS2_MAX_BLOCKSIZE);
@@ -769,7 +770,8 @@ static int ocfs2_sb_probe(struct super_block *sb,
goto bail;
}
di = (struct ocfs2_dinode *) (*bh)->b_data;
- status = ocfs2_verify_volume(di, *bh, blksize);
+ memset(stats, 0, sizeof(struct ocfs2_blockcheck_stats));
+ status = ocfs2_verify_volume(di, *bh, blksize, stats);
if (status >= 0)
goto bail;
brelse(*bh);
@@ -975,6 +977,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
struct ocfs2_super *osb = NULL;
struct buffer_head *bh = NULL;
char nodestr[8];
+ struct ocfs2_blockcheck_stats stats;
mlog_entry("%p, %p, %i", sb, data, silent);
@@ -984,13 +987,13 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
}
/* probe for superblock */
- status = ocfs2_sb_probe(sb, &bh, &sector_size);
+ status = ocfs2_sb_probe(sb, &bh, &sector_size, &stats);
if (status < 0) {
mlog(ML_ERROR, "superblock probe failed!\n");
goto read_super_error;
}
- status = ocfs2_initialize_super(sb, bh, sector_size);
+ status = ocfs2_initialize_super(sb, bh, sector_size, &stats);
osb = OCFS2_SB(sb);
if (status < 0) {
mlog_errno(status);
@@ -1100,6 +1103,18 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
goto read_super_error;
}
+ if (ocfs2_meta_ecc(osb)) {
+ status = ocfs2_blockcheck_stats_debugfs_install(
+ &osb->osb_ecc_stats,
+ osb->osb_debug_root);
+ if (status) {
+ mlog(ML_ERROR,
+ "Unable to create blockcheck statistics "
+ "files\n");
+ goto read_super_error;
+ }
+ }
+
status = ocfs2_mount_volume(sb);
if (osb->root_inode)
inode = igrab(osb->root_inode);
@@ -1550,9 +1565,13 @@ static void ocfs2_put_super(struct super_block *sb)
{
mlog_entry("(0x%p)\n", sb);
+ lock_kernel();
+
ocfs2_sync_blockdev(sb);
ocfs2_dismount_volume(sb, 0);
+ unlock_kernel();
+
mlog_exit_void();
}
@@ -1766,13 +1785,8 @@ static int ocfs2_mount_volume(struct super_block *sb)
}
status = ocfs2_truncate_log_init(osb);
- if (status < 0) {
+ if (status < 0)
mlog_errno(status);
- goto leave;
- }
-
- if (ocfs2_mount_local(osb))
- goto leave;
leave:
if (unlock_super)
@@ -1802,6 +1816,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
ocfs2_truncate_log_shutdown(osb);
+ ocfs2_orphan_scan_stop(osb);
+
/* This will disable recovery and flush any recovery work. */
ocfs2_recovery_exit(osb);
@@ -1839,6 +1855,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
if (osb->cconn)
ocfs2_dlm_shutdown(osb, hangup_needed);
+ ocfs2_blockcheck_stats_debugfs_remove(&osb->osb_ecc_stats);
debugfs_remove(osb->osb_debug_root);
if (hangup_needed)
@@ -1886,7 +1903,8 @@ static int ocfs2_setup_osb_uuid(struct ocfs2_super *osb, const unsigned char *uu
static int ocfs2_initialize_super(struct super_block *sb,
struct buffer_head *bh,
- int sector_size)
+ int sector_size,
+ struct ocfs2_blockcheck_stats *stats)
{
int status;
int i, cbits, bbits;
@@ -1945,6 +1963,9 @@ static int ocfs2_initialize_super(struct super_block *sb,
atomic_set(&osb->alloc_stats.bg_allocs, 0);
atomic_set(&osb->alloc_stats.bg_extends, 0);
+ /* Copy the blockcheck stats from the superblock probe */
+ osb->osb_ecc_stats = *stats;
+
ocfs2_init_node_maps(osb);
snprintf(osb->dev_str, sizeof(osb->dev_str), "%u,%u",
@@ -1957,6 +1978,13 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
+ status = ocfs2_orphan_scan_init(osb);
+ if (status) {
+ mlog(ML_ERROR, "Unable to initialize delayed orphan scan\n");
+ mlog_errno(status);
+ goto bail;
+ }
+
init_waitqueue_head(&osb->checkpoint_event);
atomic_set(&osb->needs_checkpoint, 0);
@@ -2175,7 +2203,8 @@ bail:
*/
static int ocfs2_verify_volume(struct ocfs2_dinode *di,
struct buffer_head *bh,
- u32 blksz)
+ u32 blksz,
+ struct ocfs2_blockcheck_stats *stats)
{
int status = -EAGAIN;
@@ -2188,7 +2217,8 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di,
OCFS2_FEATURE_INCOMPAT_META_ECC) {
status = ocfs2_block_check_validate(bh->b_data,
bh->b_size,
- &di->i_check);
+ &di->i_check,
+ stats);
if (status)
goto out;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 22:43:05 +0000