From 91e4bac0b72736410c88632906953f14259144b1 Mon Sep 17 00:00:00 2001 From: Mark Tinguely Date: Tue, 4 Dec 2012 17:18:05 -0600 Subject: xfs: fix the multi-segment log buffer format Per Dave Chinner suggestion, this patch: 1) Corrects the detection of whether a multi-segment buffer is still tracking data. 2) Clears all the buffer log formats for a multi-segment buffer. Signed-off-by: Mark Tinguely Reviewed-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Ben Myers --- fs/xfs/xfs_buf_item.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'fs/xfs/xfs_buf_item.c') diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index c48e60b..77b0975 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -611,7 +611,7 @@ xfs_buf_item_unlock( { struct xfs_buf_log_item *bip = BUF_ITEM(lip); struct xfs_buf *bp = bip->bli_buf; - int aborted; + int aborted, clean, i; uint hold; /* Clear the buffer's association with this transaction. */ @@ -654,8 +654,15 @@ xfs_buf_item_unlock( * If the buf item isn't tracking any data, free it, otherwise drop the * reference we hold to it. */ - if (xfs_bitmap_empty(bip->__bli_format.blf_data_map, - bip->__bli_format.blf_map_size)) + clean = 1; + for (i = 0; i < bip->bli_format_count; i++) { + if (!xfs_bitmap_empty(bip->bli_formats[i].blf_data_map, + bip->bli_formats[i].blf_map_size)) { + clean = 0; + break; + } + } + if (clean) xfs_buf_item_relse(bp); else atomic_dec(&bip->bli_refcount); -- cgit v1.1