diff options
Diffstat (limited to 'fs/gfs2/meta_io.c')
| -rw-r--r-- | fs/gfs2/meta_io.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 2db573e31f78..c38e3805f468 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -131,16 +131,19 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create) break; yield(); } + if (!page_has_buffers(page)) + create_empty_buffers(page, sdp->sd_sb.sb_bsize, 0); } else { page = find_get_page_flags(mapping, index, FGP_LOCK|FGP_ACCESSED); if (!page) return NULL; + if (!page_has_buffers(page)) { + bh = NULL; + goto out_unlock; + } } - if (!page_has_buffers(page)) - create_empty_buffers(page, sdp->sd_sb.sb_bsize, 0); - /* Locate header for our buffer within our page */ for (bh = page_buffers(page); bufnum--; bh = bh->b_this_page) /* Do nothing */; @@ -149,6 +152,7 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create) if (!buffer_mapped(bh)) map_bh(bh, sdp->sd_vfs, blkno); +out_unlock: unlock_page(page); put_page(page); |