diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4.h | 2 | ||||
| -rw-r--r-- | fs/ext4/file.c | 6 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 11 |
3 files changed, 16 insertions, 3 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 32071f5c1c26..fd1f28be5296 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2272,6 +2272,8 @@ struct buffer_head *ext4_getblk(handle_t *, struct inode *, ext4_lblk_t, int); struct buffer_head *ext4_bread(handle_t *, struct inode *, ext4_lblk_t, int); int ext4_get_block_write(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); +int ext4_get_block_dax(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create); int ext4_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); int ext4_da_get_block_prep(struct inode *inode, sector_t iblock, diff --git a/fs/ext4/file.c b/fs/ext4/file.c index ca5302a256ea..d5219e4cd91d 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -207,19 +207,19 @@ static void ext4_end_io_unwritten(struct buffer_head *bh, int uptodate) static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return dax_fault(vma, vmf, ext4_get_block_write, ext4_end_io_unwritten); + return dax_fault(vma, vmf, ext4_get_block_dax, ext4_end_io_unwritten); } static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, unsigned int flags) { - return dax_pmd_fault(vma, addr, pmd, flags, ext4_get_block_write, + return dax_pmd_fault(vma, addr, pmd, flags, ext4_get_block_dax, ext4_end_io_unwritten); } static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) { - return dax_mkwrite(vma, vmf, ext4_get_block_write, + return dax_mkwrite(vma, vmf, ext4_get_block_dax, ext4_end_io_unwritten); } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 5ebcc7683a5c..612fbcf76b5c 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3021,6 +3021,17 @@ static int ext4_get_block_write_nolock(struct inode *inode, sector_t iblock, EXT4_GET_BLOCKS_NO_LOCK); } +int ext4_get_block_dax(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create) +{ + int flags = EXT4_GET_BLOCKS_PRE_IO | EXT4_GET_BLOCKS_UNWRIT_EXT; + if (create) + flags |= EXT4_GET_BLOCKS_CREATE; + ext4_debug("ext4_get_block_dax: inode %lu, create flag %d\n", + inode->i_ino, create); + return _ext4_get_block(inode, iblock, bh_result, flags); +} + static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset, ssize_t size, void *private) { |