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xfs: refactor xfs_trans_reserve() interface

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With the new xfs_trans_res structure has been introduced, the log
reservation size, log count as well as log flags are pre-initialized
at mount time.  So it's time to refine xfs_trans_reserve() interface
to be more neat.

Also, introduce a new helper M_RES() to return a pointer to the
mp->m_resv structure to simplify the input.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Jie Liu
2013-08-12 20:49:59 +10:00
committed by Ben Myers
parent 783cb6d172
commit 3d3c8b5222
21 changed files with 150 additions and 197 deletions
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3
fs/xfs/xfs_trans.h
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@@ -34,6 +34,7 @@ struct xfs_log_iovec;
struct xfs_log_item_desc;
struct xfs_mount;
struct xfs_trans;
struct xfs_trans_res;
struct xfs_dquot_acct;
struct xfs_busy_extent;
@@ -170,7 +171,7 @@ typedef struct xfs_trans {
xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, xfs_km_flags_t);
xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
int xfs_trans_reserve(struct xfs_trans *, struct xfs_trans_res *,
uint, uint);
void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);