diff options
| author | Gao Xiang <gaoxiang25@huawei.com> | 2019-08-14 18:37:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-15 14:24:30 +0200 |
| commit | 382329a9d8553a98418a6f6e3425f0c288837897 (patch) | |
| tree | 0de4ffe3c61a29a98547d4f5ac6633e77df8ff3d | |
| parent | a6b9b1d5eae61a68085030e50d56265dec5baa94 (diff) | |
staging: erofs: differentiate unsupported on-disk format
For some specific fields, use EOPNOTSUPP instead of EIO
for values which look sane but aren't supported right now.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190814103705.60698-2-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/erofs/inode.c | 4 | ||||
| -rw-r--r-- | drivers/staging/erofs/zmap.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c index 961c3ab91a8a..cbc2c342a37f 100644 --- a/drivers/staging/erofs/inode.c +++ b/drivers/staging/erofs/inode.c @@ -24,7 +24,7 @@ static int read_inode(struct inode *inode, void *data) errln("unsupported data mapping %u of nid %llu", vi->datamode, vi->nid); DBG_BUGON(1); - return -EIO; + return -EOPNOTSUPP; } if (__inode_version(advise) == EROFS_INODE_LAYOUT_V2) { @@ -95,7 +95,7 @@ static int read_inode(struct inode *inode, void *data) errln("unsupported on-disk inode version %u of nid %llu", __inode_version(advise), vi->nid); DBG_BUGON(1); - return -EIO; + return -EOPNOTSUPP; } if (!nblks) diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c index 16b3625604f4..5551e615e8ea 100644 --- a/drivers/staging/erofs/zmap.c +++ b/drivers/staging/erofs/zmap.c @@ -178,7 +178,7 @@ static int vle_legacy_load_cluster_from_disk(struct z_erofs_maprecorder *m, break; default: DBG_BUGON(1); - return -EIO; + return -EOPNOTSUPP; } m->type = type; return 0; @@ -362,7 +362,7 @@ static int vle_extent_lookback(struct z_erofs_maprecorder *m, errln("unknown type %u at lcn %lu of nid %llu", m->type, lcn, vi->nid); DBG_BUGON(1); - return -EIO; + return -EOPNOTSUPP; } return 0; } @@ -436,7 +436,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, default: errln("unknown type %u at offset %llu of nid %llu", m.type, ofs, vi->nid); - err = -EIO; + err = -EOPNOTSUPP; goto unmap_out; } |