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Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c42
1 files changed, 33 insertions, 9 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index d05f3ca..86f500c 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -118,10 +118,12 @@ 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,
@@ -711,7 +713,8 @@ out:
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;
@@ -777,7 +780,8 @@ 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);
@@ -983,6 +987,7 @@ 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);
@@ -992,13 +997,13 @@ 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);
@@ -1108,6 +1113,18 @@ 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);
@@ -1849,6 +1866,7 @@ 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)
@@ -1896,7 +1914,8 @@ 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;
@@ -1955,6 +1974,9 @@ 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",
@@ -2192,7 +2214,8 @@ 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;
@@ -2205,7 +2228,8 @@ 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;
}