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-rw-r--r--fs/gfs2/aops.c5
-rw-r--r--fs/gfs2/log.c2
-rw-r--r--fs/gfs2/log.h2
-rw-r--r--fs/gfs2/meta_io.c81
-rw-r--r--fs/gfs2/meta_io.h2
-rw-r--r--fs/gfs2/rgrp.c6
6 files changed, 86 insertions, 12 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 287d160ccf7a..801f244690bf 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -665,8 +665,11 @@ static void gfs2_discard(struct gfs2_sbd *sdp, struct buffer_head *bh)
if (bd) {
if (!list_empty(&bd->bd_list) && !buffer_pinned(bh))
list_del_init(&bd->bd_list);
- else
+ else {
+ spin_lock(&sdp->sd_ail_lock);
gfs2_remove_from_journal(bh, REMOVE_JDATA);
+ spin_unlock(&sdp->sd_ail_lock);
+ }
}
bh->b_bdev = NULL;
clear_buffer_mapped(bh);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 3712059f19f9..cd225ccce8e0 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -70,7 +70,7 @@ unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct)
*
*/
-static void gfs2_remove_from_ail(struct gfs2_bufdata *bd)
+void gfs2_remove_from_ail(struct gfs2_bufdata *bd)
{
bd->bd_tr = NULL;
list_del_init(&bd->bd_ail_st_list);
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 8965c751a303..79f97290146e 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -63,7 +63,7 @@ static inline void gfs2_ordered_add_inode(struct gfs2_inode *ip)
extern void gfs2_ordered_del_inode(struct gfs2_inode *ip);
extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
-
+extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
extern int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks);
extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 9856cc2e0795..2db573e31f78 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -348,38 +348,109 @@ void gfs2_remove_from_journal(struct buffer_head *bh, int meta)
brelse(bh);
}
if (bd) {
- spin_lock(&sdp->sd_ail_lock);
if (bd->bd_tr) {
gfs2_trans_add_revoke(sdp, bd);
} else if (was_pinned) {
bh->b_private = NULL;
kmem_cache_free(gfs2_bufdata_cachep, bd);
+ } else if (!list_empty(&bd->bd_ail_st_list) &&
+ !list_empty(&bd->bd_ail_gl_list)) {
+ gfs2_remove_from_ail(bd);
}
- spin_unlock(&sdp->sd_ail_lock);
}
clear_buffer_dirty(bh);
clear_buffer_uptodate(bh);
}
/**
- * gfs2_meta_wipe - make inode's buffers so they aren't dirty/pinned anymore
+ * gfs2_ail1_wipe - remove deleted/freed buffers from the ail1 list
+ * @sdp: superblock
+ * @bstart: starting block address of buffers to remove
+ * @blen: length of buffers to be removed
+ *
+ * This function is called from gfs2_journal wipe, whose job is to remove
+ * buffers, corresponding to deleted blocks, from the journal. If we find any
+ * bufdata elements on the system ail1 list, they haven't been written to
+ * the journal yet. So we remove them.
+ */
+static void gfs2_ail1_wipe(struct gfs2_sbd *sdp, u64 bstart, u32 blen)
+{
+ struct gfs2_trans *tr, *s;
+ struct gfs2_bufdata *bd, *bs;
+ struct buffer_head *bh;
+ u64 end = bstart + blen;
+
+ gfs2_log_lock(sdp);
+ spin_lock(&sdp->sd_ail_lock);
+ list_for_each_entry_safe(tr, s, &sdp->sd_ail1_list, tr_list) {
+ list_for_each_entry_safe(bd, bs, &tr->tr_ail1_list,
+ bd_ail_st_list) {
+ bh = bd->bd_bh;
+ if (bh->b_blocknr < bstart || bh->b_blocknr >= end)
+ continue;
+
+ gfs2_remove_from_journal(bh, REMOVE_JDATA);
+ }
+ }
+ spin_unlock(&sdp->sd_ail_lock);
+ gfs2_log_unlock(sdp);
+}
+
+static struct buffer_head *gfs2_getjdatabuf(struct gfs2_inode *ip, u64 blkno)
+{
+ struct address_space *mapping = ip->i_inode.i_mapping;
+ struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+ struct page *page;
+ struct buffer_head *bh;
+ unsigned int shift = PAGE_SHIFT - sdp->sd_sb.sb_bsize_shift;
+ unsigned long index = blkno >> shift; /* convert block to page */
+ unsigned int bufnum = blkno - (index << shift);
+
+ page = find_get_page_flags(mapping, index, FGP_LOCK|FGP_ACCESSED);
+ if (!page)
+ return NULL;
+ if (!page_has_buffers(page)) {
+ unlock_page(page);
+ put_page(page);
+ return NULL;
+ }
+ /* Locate header for our buffer within our page */
+ for (bh = page_buffers(page); bufnum--; bh = bh->b_this_page)
+ /* Do nothing */;
+ get_bh(bh);
+ unlock_page(page);
+ put_page(page);
+ return bh;
+}
+
+/**
+ * gfs2_journal_wipe - make inode's buffers so they aren't dirty/pinned anymore
* @ip: the inode who owns the buffers
* @bstart: the first buffer in the run
* @blen: the number of buffers in the run
*
*/
-void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen)
+void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct buffer_head *bh;
+ int ty;
+ gfs2_ail1_wipe(sdp, bstart, blen);
while (blen) {
+ ty = REMOVE_META;
bh = gfs2_getbuf(ip->i_gl, bstart, NO_CREATE);
+ if (!bh && gfs2_is_jdata(ip)) {
+ bh = gfs2_getjdatabuf(ip, bstart);
+ ty = REMOVE_JDATA;
+ }
if (bh) {
lock_buffer(bh);
gfs2_log_lock(sdp);
- gfs2_remove_from_journal(bh, REMOVE_META);
+ spin_lock(&sdp->sd_ail_lock);
+ gfs2_remove_from_journal(bh, ty);
+ spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
unlock_buffer(bh);
brelse(bh);
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index eafb74e861c6..4a8c01929b79 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -60,7 +60,7 @@ enum {
};
extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
-extern void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
+extern void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
extern int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num,
struct buffer_head **bhp);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 1bba5a9d45fa..9de676cfd3d7 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -2442,8 +2442,8 @@ void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
/* Directories keep their data in the metadata address space */
- if (meta || ip->i_depth)
- gfs2_meta_wipe(ip, bstart, blen);
+ if (meta || ip->i_depth || gfs2_is_jdata(ip))
+ gfs2_journal_wipe(ip, bstart, blen);
}
/**
@@ -2499,7 +2499,7 @@ void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip)
gfs2_statfs_change(sdp, 0, +1, -1);
trace_gfs2_block_alloc(ip, rgd, ip->i_no_addr, 1, GFS2_BLKST_FREE);
gfs2_quota_change(ip, -1, ip->i_inode.i_uid, ip->i_inode.i_gid);
- gfs2_meta_wipe(ip, ip->i_no_addr, 1);
+ gfs2_journal_wipe(ip, ip->i_no_addr, 1);
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 18:49:34 +0000