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Diffstat (limited to 'fs/xfs/xfs_iget.c')
-rw-r--r--fs/xfs/xfs_iget.c53
1 files changed, 1 insertions, 52 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 9e86f2116aa8..eba5ae61d362 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -91,7 +91,7 @@ xfs_inode_alloc(
91 return ip; 91 return ip;
92} 92}
93 93
94STATIC void 94void
95xfs_inode_free( 95xfs_inode_free(
96 struct xfs_inode *ip) 96 struct xfs_inode *ip)
97{ 97{
@@ -418,57 +418,6 @@ out_error_or_again:
418} 418}
419 419
420/* 420/*
421 * This is called free all the memory associated with an inode.
422 * It must free the inode itself and any buffers allocated for
423 * if_extents/if_data and if_broot. It must also free the lock
424 * associated with the inode.
425 *
426 * Note: because we don't initialise everything on reallocation out
427 * of the zone, we must ensure we nullify everything correctly before
428 * freeing the structure.
429 */
430void
431xfs_ireclaim(
432 struct xfs_inode *ip)
433{
434 struct xfs_mount *mp = ip->i_mount;
435 struct xfs_perag *pag;
436 xfs_agino_t agino = XFS_INO_TO_AGINO(mp, ip->i_ino);
437
438 XFS_STATS_INC(xs_ig_reclaims);
439
440 /*
441 * Remove the inode from the per-AG radix tree.
442 *
443 * Because radix_tree_delete won't complain even if the item was never
444 * added to the tree assert that it's been there before to catch
445 * problems with the inode life time early on.
446 */
447 pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
448 write_lock(&pag->pag_ici_lock);
449 if (!radix_tree_delete(&pag->pag_ici_root, agino))
450 ASSERT(0);
451 write_unlock(&pag->pag_ici_lock);
452 xfs_perag_put(pag);
453
454 /*
455 * Here we do an (almost) spurious inode lock in order to coordinate
456 * with inode cache radix tree lookups. This is because the lookup
457 * can reference the inodes in the cache without taking references.
458 *
459 * We make that OK here by ensuring that we wait until the inode is
460 * unlocked after the lookup before we go ahead and free it. We get
461 * both the ilock and the iolock because the code may need to drop the
462 * ilock one but will still hold the iolock.
463 */
464 xfs_ilock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
465 xfs_qm_dqdetach(ip);
466 xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
467
468 xfs_inode_free(ip);
469}
470
471/*
472 * This is a wrapper routine around the xfs_ilock() routine 421 * This is a wrapper routine around the xfs_ilock() routine
473 * used to centralize some grungy code. It is used in places 422 * used to centralize some grungy code. It is used in places
474 * that wish to lock the inode solely for reading the extents. 423 * that wish to lock the inode solely for reading the extents.