diff options
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r-- | fs/ext4/inode.c | 67 |
1 files changed, 26 insertions, 41 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 72c6943..3b28e1f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -669,7 +669,7 @@ allocated: return ret; failed_out: for (i = 0; i < index; i++) - ext4_free_blocks(handle, inode, new_blocks[i], 1, 0); + ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0); return ret; } @@ -765,20 +765,20 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode, return err; failed: /* Allocation failed, free what we already allocated */ + ext4_free_blocks(handle, inode, 0, new_blocks[0], 1, 0); for (i = 1; i <= n ; i++) { - BUFFER_TRACE(branch[i].bh, "call jbd2_journal_forget"); /* - * Note: is_metadata is 0 because branch[i].bh is - * newly allocated, so there is no need to revoke the - * block. If we do, it's harmless, but not necessary. + * branch[i].bh is newly allocated, so there is no + * need to revoke the block, which is why we don't + * need to set EXT4_FREE_BLOCKS_METADATA. */ - ext4_forget(handle, 0, inode, branch[i].bh, - branch[i].bh->b_blocknr); + ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, + EXT4_FREE_BLOCKS_FORGET); } - for (i = 0; i < indirect_blks; i++) - ext4_free_blocks(handle, inode, new_blocks[i], 1, 0); + for (i = n+1; i < indirect_blks; i++) + ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0); - ext4_free_blocks(handle, inode, new_blocks[i], num, 0); + ext4_free_blocks(handle, inode, 0, new_blocks[i], num, 0); return err; } @@ -857,18 +857,16 @@ static int ext4_splice_branch(handle_t *handle, struct inode *inode, err_out: for (i = 1; i <= num; i++) { - BUFFER_TRACE(where[i].bh, "call jbd2_journal_forget"); /* - * Note: is_metadata is 0 because branch[i].bh is - * newly allocated, so there is no need to revoke the - * block. If we do, it's harmless, but not necessary. + * branch[i].bh is newly allocated, so there is no + * need to revoke the block, which is why we don't + * need to set EXT4_FREE_BLOCKS_METADATA. */ - ext4_forget(handle, 0, inode, where[i].bh, - where[i].bh->b_blocknr); - ext4_free_blocks(handle, inode, - le32_to_cpu(where[i-1].key), 1, 0); + ext4_free_blocks(handle, inode, where[i].bh, 0, 1, + EXT4_FREE_BLOCKS_FORGET); } - ext4_free_blocks(handle, inode, le32_to_cpu(where[num].key), blks, 0); + ext4_free_blocks(handle, inode, 0, le32_to_cpu(where[num].key), + blks, 0); return err; } @@ -4080,7 +4078,10 @@ static void ext4_clear_blocks(handle_t *handle, struct inode *inode, __le32 *last) { __le32 *p; - int is_metadata = S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode); + int flags = EXT4_FREE_BLOCKS_FORGET; + + if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) + flags |= EXT4_FREE_BLOCKS_METADATA; if (try_to_extend_transaction(handle, inode)) { if (bh) { @@ -4096,27 +4097,10 @@ static void ext4_clear_blocks(handle_t *handle, struct inode *inode, } } - /* - * Any buffers which are on the journal will be in memory. We - * find them on the hash table so jbd2_journal_revoke() will - * run jbd2_journal_forget() on them. We've already detached - * each block from the file, so bforget() in - * jbd2_journal_forget() should be safe. - * - * AKPM: turn on bforget in jbd2_journal_forget()!!! - */ - for (p = first; p < last; p++) { - u32 nr = le32_to_cpu(*p); - if (nr) { - struct buffer_head *tbh; - - *p = 0; - tbh = sb_find_get_block(inode->i_sb, nr); - ext4_forget(handle, is_metadata, inode, tbh, nr); - } - } + for (p = first; p < last; p++) + *p = 0; - ext4_free_blocks(handle, inode, block_to_free, count, is_metadata); + ext4_free_blocks(handle, inode, 0, block_to_free, count, flags); } /** @@ -4304,7 +4288,8 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode, blocks_for_truncate(inode)); } - ext4_free_blocks(handle, inode, nr, 1, 1); + ext4_free_blocks(handle, inode, 0, nr, 1, + EXT4_FREE_BLOCKS_METADATA); if (parent_bh) { /* |