diff options
Diffstat (limited to 'fs/ext4/ioctl.c')
| -rw-r--r-- | fs/ext4/ioctl.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 597e8b617f92..ea05e8d641e9 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -121,9 +121,6 @@ static long swap_inode_boot_loader(struct super_block *sb, return PTR_ERR(inode_bl); ei_bl = EXT4_I(inode_bl); - filemap_flush(inode->i_mapping); - filemap_flush(inode_bl->i_mapping); - /* Protect orig inodes against a truncate and make sure, * that only 1 swap_inode_boot_loader is running. */ lock_two_nondirectories(inode, inode_bl); @@ -141,6 +138,15 @@ static long swap_inode_boot_loader(struct super_block *sb, goto journal_err_out; } + down_write(&EXT4_I(inode)->i_mmap_sem); + err = filemap_write_and_wait(inode->i_mapping); + if (err) + goto err_out; + + err = filemap_write_and_wait(inode_bl->i_mapping); + if (err) + goto err_out; + /* Wait for all existing dio workers */ inode_dio_wait(inode); inode_dio_wait(inode_bl); @@ -151,7 +157,7 @@ static long swap_inode_boot_loader(struct super_block *sb, handle = ext4_journal_start(inode_bl, EXT4_HT_MOVE_EXTENTS, 2); if (IS_ERR(handle)) { err = -EINVAL; - goto journal_err_out; + goto err_out; } /* Protect extent tree against block allocations via delalloc */ @@ -208,6 +214,8 @@ static long swap_inode_boot_loader(struct super_block *sb, ext4_journal_stop(handle); ext4_double_up_write_data_sem(inode, inode_bl); +err_out: + up_write(&EXT4_I(inode)->i_mmap_sem); journal_err_out: unlock_two_nondirectories(inode, inode_bl); iput(inode_bl); |