diff options
Diffstat (limited to 'fs/xfs/xfs_inode_item.c')
| -rw-r--r-- | fs/xfs/xfs_inode_item.c | 141 |
1 files changed, 65 insertions, 76 deletions
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index a01990dbb945..2626aaca42f2 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -36,6 +36,12 @@ kmem_zone_t *xfs_ili_zone; /* inode log item zone */ +static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_inode_log_item, ili_item); +} + + /* * This returns the number of iovecs needed to log the given inode item. * @@ -45,13 +51,11 @@ kmem_zone_t *xfs_ili_zone; /* inode log item zone */ */ STATIC uint xfs_inode_item_size( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - uint nvecs; - xfs_inode_t *ip; - - ip = iip->ili_inode; - nvecs = 2; + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; + uint nvecs = 2; /* * Only log the data/extents/b-tree root if there is something @@ -202,20 +206,17 @@ xfs_inode_item_size( */ STATIC void xfs_inode_item_format( - xfs_inode_log_item_t *iip, - xfs_log_iovec_t *log_vector) + struct xfs_log_item *lip, + struct xfs_log_iovec *vecp) { + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; uint nvecs; - xfs_log_iovec_t *vecp; - xfs_inode_t *ip; size_t data_bytes; xfs_bmbt_rec_t *ext_buffer; int nrecs; xfs_mount_t *mp; - ip = iip->ili_inode; - vecp = log_vector; - vecp->i_addr = (xfs_caddr_t)&iip->ili_format; vecp->i_len = sizeof(xfs_inode_log_format_t); vecp->i_type = XLOG_REG_TYPE_IFORMAT; @@ -427,7 +428,7 @@ xfs_inode_item_format( * Assert that no attribute-related log flags are set. */ if (!XFS_IFORK_Q(ip)) { - ASSERT(nvecs == iip->ili_item.li_desc->lid_size); + ASSERT(nvecs == lip->li_desc->lid_size); iip->ili_format.ilf_size = nvecs; ASSERT(!(iip->ili_format.ilf_fields & (XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); @@ -518,7 +519,7 @@ xfs_inode_item_format( break; } - ASSERT(nvecs == iip->ili_item.li_desc->lid_size); + ASSERT(nvecs == lip->li_desc->lid_size); iip->ili_format.ilf_size = nvecs; } @@ -529,12 +530,14 @@ xfs_inode_item_format( */ STATIC void xfs_inode_item_pin( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL)); + struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; - trace_xfs_inode_pin(iip->ili_inode, _RET_IP_); - atomic_inc(&iip->ili_inode->i_pincount); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); + + trace_xfs_inode_pin(ip, _RET_IP_); + atomic_inc(&ip->i_pincount); } @@ -546,10 +549,10 @@ xfs_inode_item_pin( */ STATIC void xfs_inode_item_unpin( - xfs_inode_log_item_t *iip, + struct xfs_log_item *lip, int remove) { - struct xfs_inode *ip = iip->ili_inode; + struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; trace_xfs_inode_unpin(ip, _RET_IP_); ASSERT(atomic_read(&ip->i_pincount) > 0); @@ -572,19 +575,16 @@ xfs_inode_item_unpin( */ STATIC uint xfs_inode_item_trylock( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - register xfs_inode_t *ip; - - ip = iip->ili_inode; + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; - if (xfs_ipincount(ip) > 0) { + if (xfs_ipincount(ip) > 0) return XFS_ITEM_PINNED; - } - if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { + if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) return XFS_ITEM_LOCKED; - } if (!xfs_iflock_nowait(ip)) { /* @@ -610,7 +610,7 @@ xfs_inode_item_trylock( if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { ASSERT(iip->ili_format.ilf_fields != 0); ASSERT(iip->ili_logged == 0); - ASSERT(iip->ili_item.li_flags & XFS_LI_IN_AIL); + ASSERT(lip->li_flags & XFS_LI_IN_AIL); } #endif return XFS_ITEM_SUCCESS; @@ -624,12 +624,13 @@ xfs_inode_item_trylock( */ STATIC void xfs_inode_item_unlock( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - uint hold; - uint iolocked; - uint lock_flags; - xfs_inode_t *ip; + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; + uint hold; + uint iolocked; + uint lock_flags; ASSERT(iip != NULL); ASSERT(iip->ili_inode->i_itemp != NULL); @@ -640,10 +641,10 @@ xfs_inode_item_unlock( ASSERT((!(iip->ili_inode->i_itemp->ili_flags & XFS_ILI_IOLOCKED_SHARED)) || xfs_isilocked(iip->ili_inode, XFS_IOLOCK_SHARED)); + /* * Clear the transaction pointer in the inode. */ - ip = iip->ili_inode; ip->i_transp = NULL; /* @@ -706,13 +707,12 @@ xfs_inode_item_unlock( * is the only one that matters. Therefore, simply return the * given lsn. */ -/*ARGSUSED*/ STATIC xfs_lsn_t xfs_inode_item_committed( - xfs_inode_log_item_t *iip, + struct xfs_log_item *lip, xfs_lsn_t lsn) { - return (lsn); + return lsn; } /* @@ -724,13 +724,12 @@ xfs_inode_item_committed( */ STATIC void xfs_inode_item_pushbuf( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - xfs_inode_t *ip; - xfs_mount_t *mp; - xfs_buf_t *bp; + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; + struct xfs_buf *bp; - ip = iip->ili_inode; ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); /* @@ -738,14 +737,13 @@ xfs_inode_item_pushbuf( * inode was taken off the AIL. So, just get out. */ if (completion_done(&ip->i_flush) || - ((iip->ili_item.li_flags & XFS_LI_IN_AIL) == 0)) { + !(lip->li_flags & XFS_LI_IN_AIL)) { xfs_iunlock(ip, XFS_ILOCK_SHARED); return; } - mp = ip->i_mount; - bp = xfs_incore(mp->m_ddev_targp, iip->ili_format.ilf_blkno, - iip->ili_format.ilf_len, XBF_TRYLOCK); + bp = xfs_incore(ip->i_mount->m_ddev_targp, iip->ili_format.ilf_blkno, + iip->ili_format.ilf_len, XBF_TRYLOCK); xfs_iunlock(ip, XFS_ILOCK_SHARED); if (!bp) @@ -753,10 +751,8 @@ xfs_inode_item_pushbuf( if (XFS_BUF_ISDELAYWRITE(bp)) xfs_buf_delwri_promote(bp); xfs_buf_relse(bp); - return; } - /* * This is called to asynchronously write the inode associated with this * inode log item out to disk. The inode will already have been locked by @@ -764,14 +760,14 @@ xfs_inode_item_pushbuf( */ STATIC void xfs_inode_item_push( - xfs_inode_log_item_t *iip) + struct xfs_log_item *lip) { - xfs_inode_t *ip; - - ip = iip->ili_inode; + struct xfs_inode_log_item *iip = INODE_ITEM(lip); + struct xfs_inode *ip = iip->ili_inode; ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); ASSERT(!completion_done(&ip->i_flush)); + /* * Since we were able to lock the inode's flush lock and * we found it on the AIL, the inode must be dirty. This @@ -794,41 +790,34 @@ xfs_inode_item_push( */ (void) xfs_iflush(ip, 0); xfs_iunlock(ip, XFS_ILOCK_SHARED); - - return; } /* * XXX rcc - this one really has to do something. Probably needs * to stamp in a new field in the incore inode. */ -/* ARGSUSED */ STATIC void xfs_inode_item_committing( - xfs_inode_log_item_t *iip, + struct xfs_log_item *lip, xfs_lsn_t lsn) { - iip->ili_last_lsn = lsn; - return; + INODE_ITEM(lip)->ili_last_lsn = lsn; } /* * This is the ops vector shared by all buf log items. */ static struct xfs_item_ops xfs_inode_item_ops = { - .iop_size = (uint(*)(xfs_log_item_t*))xfs_inode_item_size, - .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) - xfs_inode_item_format, - .iop_pin = (void(*)(xfs_log_item_t*))xfs_inode_item_pin, - .iop_unpin = (void(*)(xfs_log_item_t*, int))xfs_inode_item_unpin, - .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_inode_item_trylock, - .iop_unlock = (void(*)(xfs_log_item_t*))xfs_inode_item_unlock, - .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) - xfs_inode_item_committed, - .iop_push = (void(*)(xfs_log_item_t*))xfs_inode_item_push, - .iop_pushbuf = (void(*)(xfs_log_item_t*))xfs_inode_item_pushbuf, - .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) - xfs_inode_item_committing + .iop_size = xfs_inode_item_size, + .iop_format = xfs_inode_item_format, + .iop_pin = xfs_inode_item_pin, + .iop_unpin = xfs_inode_item_unpin, + .iop_trylock = xfs_inode_item_trylock, + .iop_unlock = xfs_inode_item_unlock, + .iop_committed = xfs_inode_item_committed, + .iop_push = xfs_inode_item_push, + .iop_pushbuf = xfs_inode_item_pushbuf, + .iop_committing = xfs_inode_item_committing }; @@ -837,10 +826,10 @@ static struct xfs_item_ops xfs_inode_item_ops = { */ void xfs_inode_item_init( - xfs_inode_t *ip, - xfs_mount_t *mp) + struct xfs_inode *ip, + struct xfs_mount *mp) { - xfs_inode_log_item_t *iip; + struct xfs_inode_log_item *iip; ASSERT(ip->i_itemp == NULL); iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP); |