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| author | Liu Bo <bo.li.liu@oracle.com> | 2017-02-13 15:35:09 -0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-17 12:03:48 +0100 |
| commit | 1af4a0aaa5d4bfcd17020f0620017a3057a9fb8d (patch) | |
| tree | cc2ae71ae332926dd0083896993496ba82683894 | |
| parent | 6f9994dbabe5756df1922d84a568cbff74ae1323 (diff) | |
| download | linux-stable-1af4a0aaa5d4bfcd17020f0620017a3057a9fb8d.tar.gz linux-stable-1af4a0aaa5d4bfcd17020f0620017a3057a9fb8d.tar.bz2 linux-stable-1af4a0aaa5d4bfcd17020f0620017a3057a9fb8d.zip | |
Btrfs: specify a new ordered extent type for create_io_em
As 0 refers to an existing type BTRFS_ORDERED_IO_DONE, this specifies a
new type 'REGULAR' for regular IO.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/inode.c | 8 | ||||
| -rw-r--r-- | fs/btrfs/ordered-data.h | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b37b062789a7..151d192b88be 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -991,7 +991,7 @@ static noinline int cow_file_range(struct inode *inode, ins.offset, /* orig_block_len */ ram_size, /* ram_bytes */ BTRFS_COMPRESS_NONE, /* compress_type */ - 0 /* type */); + BTRFS_ORDERED_REGULAR /* type */); if (IS_ERR(em)) goto out_reserve; free_extent_map(em); @@ -7506,7 +7506,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, ASSERT(type == BTRFS_ORDERED_PREALLOC || type == BTRFS_ORDERED_COMPRESSED || type == BTRFS_ORDERED_NOCOW || - type == 0); + type == BTRFS_ORDERED_REGULAR); em_tree = &BTRFS_I(inode)->extent_tree; em = alloc_extent_map(); @@ -7523,9 +7523,9 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, em->ram_bytes = ram_bytes; em->generation = -1; set_bit(EXTENT_FLAG_PINNED, &em->flags); - if (type == BTRFS_ORDERED_PREALLOC) + if (type == BTRFS_ORDERED_PREALLOC) { set_bit(EXTENT_FLAG_FILLING, &em->flags); - else if (type == BTRFS_ORDERED_COMPRESSED) { + } else if (type == BTRFS_ORDERED_COMPRESSED) { set_bit(EXTENT_FLAG_COMPRESSED, &em->flags); em->compress_type = compress_type; } diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index b02b71d41d83..a8cb8efe6fae 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -75,6 +75,8 @@ struct btrfs_ordered_sum { * in the logging code. */ #define BTRFS_ORDERED_PENDING 11 /* We are waiting for this ordered extent to * complete in the current transaction. */ +#define BTRFS_ORDERED_REGULAR 12 /* Regular IO for COW */ + struct btrfs_ordered_extent { /* logical offset in the file */ u64 file_offset; |