diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-06-01 09:03:06 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-06-01 18:37:32 -0700 |
| commit | 19319b53210c6b89c375cf395c08f156cccd83ea (patch) | |
| tree | d0379f5b72aea5bbd5cf8d20738daa9aca93ff54 /fs/iomap.c | |
| parent | b3751e6ab45a3b92da1e4acd42ada7b6a4122f2b (diff) | |
| download | linux-19319b53210c6b89c375cf395c08f156cccd83ea.tar.bz2 | |
iomap: inline data should be an iomap type, not a flag
Inline data is fundamentally different from our normal mapped case in that
it doesn't even have a block address. So instead of having a flag for it
it should be an entirely separate iomap range type.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/iomap.c')
| -rw-r--r-- | fs/iomap.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/iomap.c b/fs/iomap.c index f2456d0d8ddd..df2652b0d85d 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -502,10 +502,13 @@ static int iomap_to_fiemap(struct fiemap_extent_info *fi, case IOMAP_DELALLOC: flags |= FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN; break; + case IOMAP_MAPPED: + break; case IOMAP_UNWRITTEN: flags |= FIEMAP_EXTENT_UNWRITTEN; break; - case IOMAP_MAPPED: + case IOMAP_INLINE: + flags |= FIEMAP_EXTENT_DATA_INLINE; break; } @@ -513,8 +516,6 @@ static int iomap_to_fiemap(struct fiemap_extent_info *fi, flags |= FIEMAP_EXTENT_MERGED; if (iomap->flags & IOMAP_F_SHARED) flags |= FIEMAP_EXTENT_SHARED; - if (iomap->flags & IOMAP_F_DATA_INLINE) - flags |= FIEMAP_EXTENT_DATA_INLINE; return fiemap_fill_next_extent(fi, iomap->offset, iomap->addr != IOMAP_NULL_ADDR ? iomap->addr : 0, @@ -1214,14 +1215,16 @@ static loff_t iomap_swapfile_activate_actor(struct inode *inode, loff_t pos, struct iomap_swapfile_info *isi = data; int error; - /* No inline data. */ - if (iomap->flags & IOMAP_F_DATA_INLINE) { + switch (iomap->type) { + case IOMAP_MAPPED: + case IOMAP_UNWRITTEN: + /* Only real or unwritten extents. */ + break; + case IOMAP_INLINE: + /* No inline data. */ pr_err("swapon: file is inline\n"); return -EINVAL; - } - - /* Only real or unwritten extents. */ - if (iomap->type != IOMAP_MAPPED && iomap->type != IOMAP_UNWRITTEN) { + default: pr_err("swapon: file has unallocated extents\n"); return -EINVAL; } |