diff options
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index fa5398ac4505..0d88649c60a5 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1520,6 +1520,9 @@ static bool map_is_mergeable(struct f2fs_sb_info *sbi, return true; if (flag == F2FS_GET_BLOCK_PRE_DIO) return true; + if (flag == F2FS_GET_BLOCK_DIO && + map->m_pblk == NULL_ADDR && blkaddr == NULL_ADDR) + return true; return false; } @@ -1644,6 +1647,10 @@ next_block: goto sync_out; } break; + case F2FS_GET_BLOCK_DIO: + if (map->m_next_pgofs) + *map->m_next_pgofs = pgofs + 1; + break; default: /* for defragment case */ if (map->m_next_pgofs) @@ -1662,7 +1669,8 @@ next_block: /* reserved delalloc block should be mapped for fiemap. */ if (blkaddr == NEW_ADDR) map->m_flags |= F2FS_MAP_DELALLOC; - map->m_flags |= F2FS_MAP_MAPPED; + if (flag != F2FS_GET_BLOCK_DIO || !is_hole) + map->m_flags |= F2FS_MAP_MAPPED; map->m_pblk = blkaddr; map->m_len = 1; @@ -4191,12 +4199,13 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, * We should never see delalloc or compressed extents here based on * prior flushing and checks. */ - if (WARN_ON_ONCE(map.m_pblk == NEW_ADDR)) - return -EINVAL; if (WARN_ON_ONCE(map.m_pblk == COMPRESS_ADDR)) return -EINVAL; if (map.m_flags & F2FS_MAP_MAPPED) { + if (WARN_ON_ONCE(map.m_pblk == NEW_ADDR)) + return -EINVAL; + iomap->length = blks_to_bytes(inode, map.m_len); iomap->type = IOMAP_MAPPED; iomap->flags |= IOMAP_F_MERGED; @@ -4205,9 +4214,17 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, } else { if (flags & IOMAP_WRITE) return -ENOTBLK; - iomap->length = blks_to_bytes(inode, next_pgofs) - - iomap->offset; - iomap->type = IOMAP_HOLE; + + if (map.m_pblk == NULL_ADDR) { + iomap->length = blks_to_bytes(inode, next_pgofs) - + iomap->offset; + iomap->type = IOMAP_HOLE; + } else if (map.m_pblk == NEW_ADDR) { + iomap->length = blks_to_bytes(inode, map.m_len); + iomap->type = IOMAP_UNWRITTEN; + } else { + f2fs_bug_on(F2FS_I_SB(inode), 1); + } iomap->addr = IOMAP_NULL_ADDR; } |