diff options
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 97 | ||||
| -rw-r--r-- | fs/xfs/xfs_rmap_item.c | 104 | ||||
| -rw-r--r-- | fs/xfs/xfs_rmap_item.h | 4 |
3 files changed, 101 insertions, 104 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 26f0f84f2528..875d79d88018 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2035,99 +2035,6 @@ xlog_buf_readahead( } /* - * This routine is called to create an in-core extent rmap update - * item from the rui format structure which was logged on disk. - * It allocates an in-core rui, copies the extents from the format - * structure into it, and adds the rui to the AIL with the given - * LSN. - */ -STATIC int -xlog_recover_rui_pass2( - struct xlog *log, - struct xlog_recover_item *item, - xfs_lsn_t lsn) -{ - int error; - struct xfs_mount *mp = log->l_mp; - struct xfs_rui_log_item *ruip; - struct xfs_rui_log_format *rui_formatp; - - rui_formatp = item->ri_buf[0].i_addr; - - ruip = xfs_rui_init(mp, rui_formatp->rui_nextents); - error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format); - if (error) { - xfs_rui_item_free(ruip); - return error; - } - atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents); - - spin_lock(&log->l_ailp->ail_lock); - /* - * The RUI has two references. One for the RUD and one for RUI to ensure - * it makes it into the AIL. Insert the RUI into the AIL directly and - * drop the RUI reference. Note that xfs_trans_ail_update() drops the - * AIL lock. - */ - xfs_trans_ail_update(log->l_ailp, &ruip->rui_item, lsn); - xfs_rui_release(ruip); - return 0; -} - - -/* - * This routine is called when an RUD format structure is found in a committed - * transaction in the log. Its purpose is to cancel the corresponding RUI if it - * was still in the log. To do this it searches the AIL for the RUI with an id - * equal to that in the RUD format structure. If we find it we drop the RUD - * reference, which removes the RUI from the AIL and frees it. - */ -STATIC int -xlog_recover_rud_pass2( - struct xlog *log, - struct xlog_recover_item *item) -{ - struct xfs_rud_log_format *rud_formatp; - struct xfs_rui_log_item *ruip = NULL; - struct xfs_log_item *lip; - uint64_t rui_id; - struct xfs_ail_cursor cur; - struct xfs_ail *ailp = log->l_ailp; - - rud_formatp = item->ri_buf[0].i_addr; - ASSERT(item->ri_buf[0].i_len == sizeof(struct xfs_rud_log_format)); - rui_id = rud_formatp->rud_rui_id; - - /* - * Search for the RUI with the id in the RUD format structure in the - * AIL. - */ - spin_lock(&ailp->ail_lock); - lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); - while (lip != NULL) { - if (lip->li_type == XFS_LI_RUI) { - ruip = (struct xfs_rui_log_item *)lip; - if (ruip->rui_format.rui_id == rui_id) { - /* - * Drop the RUD reference to the RUI. This - * removes the RUI from the AIL and frees it. - */ - spin_unlock(&ailp->ail_lock); - xfs_rui_release(ruip); - spin_lock(&ailp->ail_lock); - break; - } - } - lip = xfs_trans_ail_cursor_next(ailp, &cur); - } - - xfs_trans_ail_cursor_done(&cur); - spin_unlock(&ailp->ail_lock); - - return 0; -} - -/* * Copy an CUI format buffer from the given buf, and into the destination * CUI format structure. The CUI/CUD items were designed not to need any * special alignment handling. @@ -2385,10 +2292,6 @@ xlog_recover_commit_pass2( trans->r_lsn); switch (ITEM_TYPE(item)) { - case XFS_LI_RUI: - return xlog_recover_rui_pass2(log, item, trans->r_lsn); - case XFS_LI_RUD: - return xlog_recover_rud_pass2(log, item); case XFS_LI_CUI: return xlog_recover_cui_pass2(log, item, trans->r_lsn); case XFS_LI_CUD: diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c index 0f3af9f05764..44049dbdb161 100644 --- a/fs/xfs/xfs_rmap_item.c +++ b/fs/xfs/xfs_rmap_item.c @@ -18,6 +18,7 @@ #include "xfs_log.h" #include "xfs_rmap.h" #include "xfs_error.h" +#include "xfs_log_priv.h" #include "xfs_log_recover.h" kmem_zone_t *xfs_rui_zone; @@ -28,7 +29,7 @@ static inline struct xfs_rui_log_item *RUI_ITEM(struct xfs_log_item *lip) return container_of(lip, struct xfs_rui_log_item, rui_item); } -void +STATIC void xfs_rui_item_free( struct xfs_rui_log_item *ruip) { @@ -133,7 +134,7 @@ static const struct xfs_item_ops xfs_rui_item_ops = { /* * Allocate and initialize an rui item with the given number of extents. */ -struct xfs_rui_log_item * +STATIC struct xfs_rui_log_item * xfs_rui_init( struct xfs_mount *mp, uint nextents) @@ -161,7 +162,7 @@ xfs_rui_init( * RUI format structure. The RUI/RUD items were designed not to need any * special alignment handling. */ -int +STATIC int xfs_rui_copy_format( struct xfs_log_iovec *buf, struct xfs_rui_log_format *dst_rui_fmt) @@ -587,10 +588,107 @@ abort_error: return error; } +/* + * This routine is called to create an in-core extent rmap update + * item from the rui format structure which was logged on disk. + * It allocates an in-core rui, copies the extents from the format + * structure into it, and adds the rui to the AIL with the given + * LSN. + */ +STATIC int +xlog_recover_rui_commit_pass2( + struct xlog *log, + struct list_head *buffer_list, + struct xlog_recover_item *item, + xfs_lsn_t lsn) +{ + int error; + struct xfs_mount *mp = log->l_mp; + struct xfs_rui_log_item *ruip; + struct xfs_rui_log_format *rui_formatp; + + rui_formatp = item->ri_buf[0].i_addr; + + ruip = xfs_rui_init(mp, rui_formatp->rui_nextents); + error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format); + if (error) { + xfs_rui_item_free(ruip); + return error; + } + atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents); + + spin_lock(&log->l_ailp->ail_lock); + /* + * The RUI has two references. One for the RUD and one for RUI to ensure + * it makes it into the AIL. Insert the RUI into the AIL directly and + * drop the RUI reference. Note that xfs_trans_ail_update() drops the + * AIL lock. + */ + xfs_trans_ail_update(log->l_ailp, &ruip->rui_item, lsn); + xfs_rui_release(ruip); + return 0; +} + const struct xlog_recover_item_ops xlog_rui_item_ops = { .item_type = XFS_LI_RUI, + .commit_pass2 = xlog_recover_rui_commit_pass2, }; +/* + * This routine is called when an RUD format structure is found in a committed + * transaction in the log. Its purpose is to cancel the corresponding RUI if it + * was still in the log. To do this it searches the AIL for the RUI with an id + * equal to that in the RUD format structure. If we find it we drop the RUD + * reference, which removes the RUI from the AIL and frees it. + */ +STATIC int +xlog_recover_rud_commit_pass2( + struct xlog *log, + struct list_head *buffer_list, + struct xlog_recover_item *item, + xfs_lsn_t lsn) +{ + struct xfs_rud_log_format *rud_formatp; + struct xfs_rui_log_item *ruip = NULL; + struct xfs_log_item *lip; + uint64_t rui_id; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp = log->l_ailp; + + rud_formatp = item->ri_buf[0].i_addr; + ASSERT(item->ri_buf[0].i_len == sizeof(struct xfs_rud_log_format)); + rui_id = rud_formatp->rud_rui_id; + + /* + * Search for the RUI with the id in the RUD format structure in the + * AIL. + */ + spin_lock(&ailp->ail_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + if (lip->li_type == XFS_LI_RUI) { + ruip = (struct xfs_rui_log_item *)lip; + if (ruip->rui_format.rui_id == rui_id) { + /* + * Drop the RUD reference to the RUI. This + * removes the RUI from the AIL and frees it. + */ + spin_unlock(&ailp->ail_lock); + xfs_rui_release(ruip); + spin_lock(&ailp->ail_lock); + break; + } + } + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->ail_lock); + + return 0; +} + const struct xlog_recover_item_ops xlog_rud_item_ops = { .item_type = XFS_LI_RUD, + .commit_pass2 = xlog_recover_rud_commit_pass2, }; diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h index 8708e4a5aa5c..89bd192779f8 100644 --- a/fs/xfs/xfs_rmap_item.h +++ b/fs/xfs/xfs_rmap_item.h @@ -77,10 +77,6 @@ struct xfs_rud_log_item { extern struct kmem_zone *xfs_rui_zone; extern struct kmem_zone *xfs_rud_zone; -struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint); -int xfs_rui_copy_format(struct xfs_log_iovec *buf, - struct xfs_rui_log_format *dst_rui_fmt); -void xfs_rui_item_free(struct xfs_rui_log_item *); void xfs_rui_release(struct xfs_rui_log_item *); int xfs_rui_recover(struct xfs_mount *mp, struct xfs_rui_log_item *ruip); |