cluster: RHEL6 - fsck.gfs2: Move function find_free_blk to util.c
Bob Peterson
rpeterso at fedoraproject.org
Tue May 21 12:22:56 UTC 2013
Gitweb: http://git.fedorahosted.org/git/?p=cluster.git;a=commitdiff;h=82558210e8ef16821170bb9787c0b46a1abf9bfd
Commit: 82558210e8ef16821170bb9787c0b46a1abf9bfd
Parent: 43729045dbdf085af140885b6af582851bf521f1
Author: Bob Peterson <rpeterso at redhat.com>
AuthorDate: Thu Feb 21 09:43:22 2013 -0700
Committer: Bob Peterson <rpeterso at redhat.com>
CommitterDate: Fri May 17 14:55:59 2013 -0500
fsck.gfs2: Move function find_free_blk to util.c
In a future patch to fsck, function find_free_blk will be called in
order to correctly report blocks that will need to be allocated for
things such as leaf splits. This patch moves function find_free_blk
to a more centralized place, util.c, to that end.
rhbz#902920
---
gfs2/fsck/lost_n_found.c | 39 ---------------------------------------
gfs2/fsck/util.c | 39 +++++++++++++++++++++++++++++++++++++++
gfs2/fsck/util.h | 1 +
3 files changed, 40 insertions(+), 39 deletions(-)
diff --git a/gfs2/fsck/lost_n_found.c b/gfs2/fsck/lost_n_found.c
index 06ee485..282d673 100644
--- a/gfs2/fsck/lost_n_found.c
+++ b/gfs2/fsck/lost_n_found.c
@@ -86,45 +86,6 @@ static void add_dotdot(struct gfs2_inode *ip)
}
}
-static uint64_t find_free_blk(struct gfs2_sbd *sdp)
-{
- struct osi_node *n, *next = NULL;
- struct rgrp_tree *rl = NULL;
- struct gfs2_rindex *ri;
- struct gfs2_rgrp *rg;
- unsigned int block, bn = 0, x = 0, y = 0;
- unsigned int state;
- struct gfs2_buffer_head *bh;
-
- memset(&rg, 0, sizeof(rg));
- for (n = osi_first(&sdp->rgtree); n; n = next) {
- next = osi_next(n);
- rl = (struct rgrp_tree *)n;
- if (rl->rg.rg_free)
- break;
- }
-
- if (n == NULL)
- return 0;
-
- ri = &rl->ri;
- rg = &rl->rg;
-
- for (block = 0; block < ri->ri_length; block++) {
- bh = rl->bh[block];
- x = (block) ? sizeof(struct gfs2_meta_header) : sizeof(struct gfs2_rgrp);
-
- for (; x < sdp->bsize; x++)
- for (y = 0; y < GFS2_NBBY; y++) {
- state = (bh->b_data[x] >> (GFS2_BIT_SIZE * y)) & 0x03;
- if (state == GFS2_BLKST_FREE)
- return ri->ri_data0 + bn;
- bn++;
- }
- }
- return 0;
-}
-
/* add_inode_to_lf - Add dir entry to lost+found for the inode
* @ip: inode to add to lost + found
*
diff --git a/gfs2/fsck/util.c b/gfs2/fsck/util.c
index 24bae6f..5e14dd4 100644
--- a/gfs2/fsck/util.c
+++ b/gfs2/fsck/util.c
@@ -532,3 +532,42 @@ bad_dinode:
stack;
return -EPERM;
}
+
+uint64_t find_free_blk(struct gfs2_sbd *sdp)
+{
+ struct osi_node *n, *next = NULL;
+ struct rgrp_tree *rl = NULL;
+ struct gfs2_rindex *ri;
+ struct gfs2_rgrp *rg;
+ unsigned int block, bn = 0, x = 0, y = 0;
+ unsigned int state;
+ struct gfs2_buffer_head *bh;
+
+ memset(&rg, 0, sizeof(rg));
+ for (n = osi_first(&sdp->rgtree); n; n = next) {
+ next = osi_next(n);
+ rl = (struct rgrp_tree *)n;
+ if (rl->rg.rg_free)
+ break;
+ }
+
+ if (n == NULL)
+ return 0;
+
+ ri = &rl->ri;
+ rg = &rl->rg;
+
+ for (block = 0; block < ri->ri_length; block++) {
+ bh = rl->bh[block];
+ x = (block) ? sizeof(struct gfs2_meta_header) : sizeof(struct gfs2_rgrp);
+
+ for (; x < sdp->bsize; x++)
+ for (y = 0; y < GFS2_NBBY; y++) {
+ state = (bh->b_data[x] >> (GFS2_BIT_SIZE * y)) & 0x03;
+ if (state == GFS2_BLKST_FREE)
+ return ri->ri_data0 + bn;
+ bn++;
+ }
+ }
+ return 0;
+}
diff --git a/gfs2/fsck/util.h b/gfs2/fsck/util.h
index b56fe69..5ee38ad 100644
--- a/gfs2/fsck/util.h
+++ b/gfs2/fsck/util.h
@@ -180,4 +180,5 @@ extern void *gfs2_bmap_destroy(struct gfs2_sbd *sdp, struct gfs2_bmap *il);
extern int gfs2_blockmap_set(struct gfs2_bmap *il, uint64_t block,
enum gfs2_mark_block mark);
extern int set_ip_blockmap(struct gfs2_inode *ip, int instree);
+extern uint64_t find_free_blk(struct gfs2_sbd *sdp);
#endif /* __UTIL_H__ */
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