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authorDave Chinner <dchinner@redhat.com>2012-11-13 16:40:27 -0600
committerBen Myers <bpm@sgi.com>2012-11-13 16:40:27 -0600
commitb64f3a390d3477517cbff7d613e551705540769b (patch)
tree1e82fffaf55236f3eda42f55b7a772c4baaa5d98 /fs/xfs/xfs_fsops.c
parentee73259b401317117e7f5d4834c270b10b12bc8e (diff)
xfs: use btree block initialisation functions in growfs
Factor xfs_btree_init_block() to be independent of the btree cursor, and use the function to initialise btree blocks in the growfs code. This makes adding support for different format btree blocks simple. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by Rich Johnston <rjohnston@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 7b0a997cf62..a5034af35db 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -125,7 +125,6 @@ xfs_growfs_data_private(
xfs_extlen_t agsize;
xfs_extlen_t tmpsize;
xfs_alloc_rec_t *arec;
- struct xfs_btree_block *block;
xfs_buf_t *bp;
int bucket;
int dpct;
@@ -263,17 +262,14 @@ xfs_growfs_data_private(
error = ENOMEM;
goto error0;
}
- block = XFS_BUF_TO_BLOCK(bp);
- memset(block, 0, mp->m_sb.sb_blocksize);
- block->bb_magic = cpu_to_be32(XFS_ABTB_MAGIC);
- block->bb_level = 0;
- block->bb_numrecs = cpu_to_be16(1);
- block->bb_u.s.bb_leftsib = cpu_to_be32(NULLAGBLOCK);
- block->bb_u.s.bb_rightsib = cpu_to_be32(NULLAGBLOCK);
- arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
+ xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
+ xfs_btree_init_block(mp, bp, XFS_ABTB_MAGIC, 0, 1, 0);
+
+ arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp));
arec->ar_blockcount = cpu_to_be32(
agsize - be32_to_cpu(arec->ar_startblock));
+
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
if (error)
@@ -289,18 +285,15 @@ xfs_growfs_data_private(
error = ENOMEM;
goto error0;
}
- block = XFS_BUF_TO_BLOCK(bp);
- memset(block, 0, mp->m_sb.sb_blocksize);
- block->bb_magic = cpu_to_be32(XFS_ABTC_MAGIC);
- block->bb_level = 0;
- block->bb_numrecs = cpu_to_be16(1);
- block->bb_u.s.bb_leftsib = cpu_to_be32(NULLAGBLOCK);
- block->bb_u.s.bb_rightsib = cpu_to_be32(NULLAGBLOCK);
- arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
+ xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
+ xfs_btree_init_block(mp, bp, XFS_ABTC_MAGIC, 0, 1, 0);
+
+ arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp));
arec->ar_blockcount = cpu_to_be32(
agsize - be32_to_cpu(arec->ar_startblock));
nfree += be32_to_cpu(arec->ar_blockcount);
+
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
if (error)
@@ -316,13 +309,9 @@ xfs_growfs_data_private(
error = ENOMEM;
goto error0;
}
- block = XFS_BUF_TO_BLOCK(bp);
- memset(block, 0, mp->m_sb.sb_blocksize);
- block->bb_magic = cpu_to_be32(XFS_IBT_MAGIC);
- block->bb_level = 0;
- block->bb_numrecs = 0;
- block->bb_u.s.bb_leftsib = cpu_to_be32(NULLAGBLOCK);
- block->bb_u.s.bb_rightsib = cpu_to_be32(NULLAGBLOCK);
+ xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
+ xfs_btree_init_block(mp, bp, XFS_IBT_MAGIC, 0, 0, 0);
+
error = xfs_bwrite(bp);
xfs_buf_relse(bp);
if (error)