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GFS2: combine gfs2_alloc_block and gfs2_alloc_di

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GFS2 functions gfs2_alloc_block and gfs2_alloc_di do basically
the same things, with a few exceptions. This patch combines
the two functions into a slightly more generic gfs2_alloc_block.
Having one centralized block allocation function will reduce
code redundancy and make it easier to implement multi-block
reservations to reduce file fragmentation in the future.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson
2011-11-14 11:17:08 -05:00
committed by Steven Whitehouse
parent c688b8b334
commit 3c5d785acf
6 changed files with 45 additions and 77 deletions
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fs/gfs2/bmap.c
+2 -2
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@@ -133,7 +133,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
and write it out to disk */
unsigned int n = 1;
error = gfs2_alloc_block(ip, &block, &n);
error = gfs2_alloc_block(ip, &block, &n, 0, NULL);
if (error)
goto out_brelse;
if (isdir) {
@@ -503,7 +503,7 @@ static int gfs2_bmap_alloc(struct inode *inode, const sector_t lblock,
do {
int error;
n = blks - alloced;
error = gfs2_alloc_block(ip, &bn, &n);
error = gfs2_alloc_block(ip, &bn, &n, 0, NULL);
if (error)
return error;
alloced += n;