/* * Remove a name from the leaf attribute list structure * * This leaf block cannot have a "remote" value, we only call this routine * if bmap_one_block() says there is only one block (ie: no remote blks). */ STATIC int xfs_attr_leaf_removename(xfs_da_args_t *args) { xfs_inode_t *dp; struct xfs_buf *bp; int error, committed, forkoff; trace_xfs_attr_leaf_removename(args); /* * Remove the attribute. */ dp = args->dp; args->blkno = 0; error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) return error; error = xfs_attr3_leaf_lookup_int(bp, args); if (error == -ENOATTR) { xfs_trans_brelse(args->trans, bp); return error; } xfs_attr3_leaf_remove(bp, args); /* * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { xfs_bmap_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, &committed); } if (error) { ASSERT(committed); args->trans = NULL; xfs_bmap_cancel(args->flist); return error; } /* * bmap_finish() may have committed the last trans and started * a new one. We need the inode to be in all transactions. */ if (committed) xfs_trans_ijoin(args->trans, dp, 0); } return 0; }
/* * Remove a name from the leaf attribute list structure * * This leaf block cannot have a "remote" value, we only call this routine * if bmap_one_block() says there is only one block (ie: no remote blks). */ STATIC int xfs_attr_leaf_removename(xfs_da_args_t *args) { xfs_inode_t *dp; struct xfs_buf *bp; int error, forkoff; trace_xfs_attr_leaf_removename(args); /* * Remove the attribute. */ dp = args->dp; args->blkno = 0; error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno, -1, &bp); if (error) return error; error = xfs_attr3_leaf_lookup_int(bp, args); if (error == -ENOATTR) { xfs_trans_brelse(args->trans, bp); return error; } xfs_attr3_leaf_remove(bp, args); /* * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; xfs_defer_cancel(args->dfops); return error; } } return 0; }