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xfs: remove duplicate code in xlog_cil_insert_format_items

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Share code that was previously duplicated in two branches.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2013-12-13 11:00:42 +11:00 committed by Dave Chinner
parent f9b395a8ef
commit 9597df6b26
1 changed files with 13 additions and 20 deletions
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33
fs/xfs/xfs_log_cil.c
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@ -254,29 +254,22 @@ xlog_cil_insert_format_items(
*/
*diff_iovecs -= lv->lv_niovecs;
*diff_len -= lv->lv_buf_len;
/* Ensure the lv is set up according to ->iop_size */
lv->lv_niovecs = niovecs;
lv->lv_buf = (char *)lv + buf_size - nbytes;
lv->lv_buf_len = xlog_cil_lv_item_format(lip, lv);
goto insert;
} else {
/* allocate new data chunk */
lv = kmem_zalloc(buf_size, KM_SLEEP|KM_NOFS);
lv->lv_item = lip;
lv->lv_size = buf_size;
if (ordered) {
/* track as an ordered logvec */
ASSERT(lip->li_lv == NULL);
lv->lv_buf_len = XFS_LOG_VEC_ORDERED;
goto insert;
}
lv->lv_iovecp = (struct xfs_log_iovec *)&lv[1];
}
/* allocate new data chunk */
lv = kmem_zalloc(buf_size, KM_SLEEP|KM_NOFS);
lv->lv_item = lip;
lv->lv_size = buf_size;
/* Ensure the lv is set up according to ->iop_size */
lv->lv_niovecs = niovecs;
if (ordered) {
/* track as an ordered logvec */
ASSERT(lip->li_lv == NULL);
lv->lv_buf_len = XFS_LOG_VEC_ORDERED;
goto insert;
}
/* The allocated iovec region lies beyond the log vector. */
lv->lv_iovecp = (struct xfs_log_iovec *)&lv[1];
/* The allocated data region lies beyond the iovec region */
lv->lv_buf = (char *)lv + buf_size - nbytes;