diff options
Diffstat (limited to 'fs/ext3/inode.c')
| -rw-r--r-- | fs/ext3/inode.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index 5f51fed5c750..b49908a167ae 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -788,7 +788,7 @@ err_out: int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result, - int create, int extend_disksize) + int create) { int err = -EIO; int offsets[4]; @@ -911,13 +911,6 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, if (!err) err = ext3_splice_branch(handle, inode, iblock, partial, indirect_blks, count); - /* - * i_disksize growing is protected by truncate_mutex. Don't forget to - * protect it if you're about to implement concurrent - * ext3_get_block() -bzzz - */ - if (!err && extend_disksize && inode->i_size > ei->i_disksize) - ei->i_disksize = inode->i_size; mutex_unlock(&ei->truncate_mutex); if (err) goto cleanup; @@ -972,7 +965,7 @@ static int ext3_get_block(struct inode *inode, sector_t iblock, } ret = ext3_get_blocks_handle(handle, inode, iblock, - max_blocks, bh_result, create, 0); + max_blocks, bh_result, create); if (ret > 0) { bh_result->b_size = (ret << inode->i_blkbits); ret = 0; @@ -1005,7 +998,7 @@ struct buffer_head *ext3_getblk(handle_t *handle, struct inode *inode, dummy.b_blocknr = -1000; buffer_trace_init(&dummy.b_history); err = ext3_get_blocks_handle(handle, inode, block, 1, - &dummy, create, 1); + &dummy, create); /* * ext3_get_blocks_handle() returns number of blocks * mapped. 0 in case of a HOLE. @@ -1193,15 +1186,16 @@ write_begin_failed: * i_size_read because we hold i_mutex. * * Add inode to orphan list in case we crash before truncate - * finishes. + * finishes. Do this only if ext3_can_truncate() agrees so + * that orphan processing code is happy. */ - if (pos + len > inode->i_size) + if (pos + len > inode->i_size && ext3_can_truncate(inode)) ext3_orphan_add(handle, inode); ext3_journal_stop(handle); unlock_page(page); page_cache_release(page); if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); + ext3_truncate(inode); } if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries)) goto retry; @@ -1287,7 +1281,7 @@ static int ext3_ordered_write_end(struct file *file, * There may be allocated blocks outside of i_size because * we failed to copy some data. Prepare for truncate. */ - if (pos + len > inode->i_size) + if (pos + len > inode->i_size && ext3_can_truncate(inode)) ext3_orphan_add(handle, inode); ret2 = ext3_journal_stop(handle); if (!ret) @@ -1296,7 +1290,7 @@ static int ext3_ordered_write_end(struct file *file, page_cache_release(page); if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); + ext3_truncate(inode); return ret ? ret : copied; } @@ -1315,14 +1309,14 @@ static int ext3_writeback_write_end(struct file *file, * There may be allocated blocks outside of i_size because * we failed to copy some data. Prepare for truncate. */ - if (pos + len > inode->i_size) + if (pos + len > inode->i_size && ext3_can_truncate(inode)) ext3_orphan_add(handle, inode); ret = ext3_journal_stop(handle); unlock_page(page); page_cache_release(page); if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); + ext3_truncate(inode); return ret ? ret : copied; } @@ -1358,7 +1352,7 @@ static int ext3_journalled_write_end(struct file *file, * There may be allocated blocks outside of i_size because * we failed to copy some data. Prepare for truncate. */ - if (pos + len > inode->i_size) + if (pos + len > inode->i_size && ext3_can_truncate(inode)) ext3_orphan_add(handle, inode); EXT3_I(inode)->i_state |= EXT3_STATE_JDATA; if (inode->i_size > EXT3_I(inode)->i_disksize) { @@ -1375,7 +1369,7 @@ static int ext3_journalled_write_end(struct file *file, page_cache_release(page); if (pos + len > inode->i_size) - vmtruncate(inode, inode->i_size); + ext3_truncate(inode); return ret ? ret : copied; } |