diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/block_dev.c | 6 | ||||
| -rw-r--r-- | fs/buffer.c | 3 |
2 files changed, 5 insertions, 4 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 21e59acbcfdf..6fe49b9349ea 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -55,10 +55,12 @@ static sector_t max_block(struct block_device *bdev) return retval; } -/* Kill _all_ buffers, dirty or not.. */ +/* Kill _all_ buffers and pagecache , dirty or not.. */ static void kill_bdev(struct block_device *bdev) { - invalidate_bdev(bdev); + if (bdev->bd_inode->i_mapping->nrpages == 0) + return; + invalidate_bh_lrus(); truncate_inode_pages(bdev->bd_inode->i_mapping, 0); } diff --git a/fs/buffer.c b/fs/buffer.c index 630df3e6fe0c..80291aad6de6 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -44,7 +44,6 @@ #include <linux/bit_spinlock.h> static int fsync_buffers_list(spinlock_t *lock, struct list_head *list); -static void invalidate_bh_lrus(void); #define BH_ENTRY(list) list_entry((list), struct buffer_head, b_assoc_buffers) @@ -1403,7 +1402,7 @@ static void invalidate_bh_lru(void *arg) put_cpu_var(bh_lrus); } -static void invalidate_bh_lrus(void) +void invalidate_bh_lrus(void) { on_each_cpu(invalidate_bh_lru, NULL, 1, 1); } |