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authorBrian Foster <bfoster@redhat.com>2018-07-12 08:26:20 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-12 08:26:20 +0300
commitbba59c5e4b38e160c6be25b2f4fe36ebc84f53df (patch)
treecdf16ceb3bf16bbc31b104d010ca714bd529afd1 /fs/xfs/xfs_trans.h
parent3ae2d89174e4ba581093320afb48421ca95191d2 (diff)
downloadlinux-bba59c5e4b38e160c6be25b2f4fe36ebc84f53df.tar.xz
xfs: add firstblock field to xfs_trans
A firstblock var is typically allocated and initialized along with xfs_defer_ops structures and passed around independent from the associated transaction. To facilitate combining the two, add an optional ->t_firstblock field to xfs_trans that can be used in place of an on-stack variable. The firstblock value follows the lifetime of the transaction, so initialize it on allocation and when a transaction rolls. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index d8a695c57103..37fdacc690c7 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -102,6 +102,7 @@ typedef struct xfs_trans {
unsigned int t_blk_res_used; /* # of resvd blocks used */
unsigned int t_rtx_res; /* # of rt extents resvd */
unsigned int t_rtx_res_used; /* # of resvd rt extents used */
+ xfs_fsblock_t t_firstblock; /* first block allocated */
struct xlog_ticket *t_ticket; /* log mgr ticket */
struct xfs_mount *t_mountp; /* ptr to fs mount struct */
struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */