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xfs: simplify inode to transaction joining

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Currently we need to either call IHOLD or xfs_trans_ihold on an inode when
joining it to a transaction via xfs_trans_ijoin.

This patches instead makes xfs_trans_ijoin usable on it's own by doing
an implicity xfs_trans_ihold, which also allows us to drop the third
argument.  For the case where we want to hold a reference on the inode
a xfs_trans_ijoin_ref wrapper is added which does the IHOLD and marks
the inode for needing an xfs_iput.  In addition to the cleaner interface
to the caller this also simplifies the implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Christoph Hellwig
2010-06-24 11:36:58 +10:00
committed by Alex Elder
parent 4d16e9246f
commit 898621d5a7
19 changed files with 103 additions and 247 deletions
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4
fs/xfs/xfs_trans.h
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@ -475,8 +475,8 @@ void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *,
xfs_ino_t , uint, uint, struct xfs_inode **);
void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint);
void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *);
void xfs_trans_ijoin_ref(struct xfs_trans *, struct xfs_inode *, uint);
void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *);
void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);