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| author | Tao Ma <tao.ma@oracle.com> | 2009-08-11 08:33:14 +0200 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2009-09-23 05:09:33 +0200 |
| commit | e73a819db9c2d6c4065b7cab7374709b6939e8f1 (patch) | |
| tree | 40968bc5b37d3b55e382267683c9612d4697f036 /fs/ocfs2/extent_map.c | |
| parent | ocfs2: move tree path functions to alloc.h. (diff) | |
| download | linux-e73a819db9c2d6c4065b7cab7374709b6939e8f1.tar.xz linux-e73a819db9c2d6c4065b7cab7374709b6939e8f1.zip | |
ocfs2: Add support for incrementing refcount in the tree.
Given a physical cpos and length, increment the refcount
in the tree. If the extent has not been seen before, a refcount
record is created for it. Refcount records may be merged or
split by this operation.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/extent_map.c')
| -rw-r--r-- | fs/ocfs2/extent_map.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index dc9482cb463a..40b51056bb32 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -353,11 +353,11 @@ static int ocfs2_search_for_hole_index(struct ocfs2_extent_list *el, * eb_bh is NULL. Otherwise, eb_bh should point to the extent block * containing el. */ -static int ocfs2_figure_hole_clusters(struct inode *inode, - struct ocfs2_extent_list *el, - struct buffer_head *eb_bh, - u32 v_cluster, - u32 *num_clusters) +int ocfs2_figure_hole_clusters(struct ocfs2_caching_info *ci, + struct ocfs2_extent_list *el, + struct buffer_head *eb_bh, + u32 v_cluster, + u32 *num_clusters) { int ret, i; struct buffer_head *next_eb_bh = NULL; @@ -375,7 +375,7 @@ static int ocfs2_figure_hole_clusters(struct inode *inode, if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) goto no_more_extents; - ret = ocfs2_read_extent_block(INODE_CACHE(inode), + ret = ocfs2_read_extent_block(ci, le64_to_cpu(eb->h_next_leaf_blk), &next_eb_bh); if (ret) { @@ -456,7 +456,8 @@ static int ocfs2_get_clusters_nocache(struct inode *inode, * field. */ if (hole_len) { - ret = ocfs2_figure_hole_clusters(inode, el, eb_bh, + ret = ocfs2_figure_hole_clusters(INODE_CACHE(inode), + el, eb_bh, v_cluster, &len); if (ret) { mlog_errno(ret); |