diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8d924bd19ca7..3616f1b0c987 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -198,6 +198,12 @@ struct ext4_system_blocks { */ #define EXT4_IO_END_UNWRITTEN 0x0001 +struct ext4_io_end_vec { + struct list_head list; /* list of io_end_vec */ + loff_t offset; /* offset in the file */ + ssize_t size; /* size of the extent */ +}; + /* * For converting unwritten extents on a work queue. 'handle' is used for * buffered writeback. @@ -211,8 +217,7 @@ typedef struct ext4_io_end { * bios covering the extent */ unsigned int flag; /* unwritten or not */ atomic_t count; /* reference counter */ - loff_t offset; /* offset in the file */ - ssize_t size; /* size of the extent */ + struct list_head list_vec; /* list of ext4_io_end_vec */ } ext4_io_end_t; struct ext4_io_submit { @@ -3324,6 +3329,8 @@ extern int ext4_bio_write_page(struct ext4_io_submit *io, int len, struct writeback_control *wbc, bool keep_towrite); +extern struct ext4_io_end_vec *ext4_alloc_io_end_vec(ext4_io_end_t *io_end); +extern struct ext4_io_end_vec *ext4_last_io_end_vec(ext4_io_end_t *io_end); /* mmp.c */ extern int ext4_multi_mount_protect(struct super_block *, ext4_fsblk_t); |