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| author | Jan Kara <jack@suse.cz> | 2019-03-11 17:27:02 +0300 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2019-03-18 18:30:02 +0300 |
| commit | 2b42be5eb24564227b15e66f54f088e5a26549c7 (patch) | |
| tree | eeb32b8731b61f2ce1fb54ed52cc2a3801d2d1b7 | |
| parent | d3ca4651d05c0ff7259d087d8c949bcf3e14fb46 (diff) | |
| download | linux-2b42be5eb24564227b15e66f54f088e5a26549c7.tar.xz | |
udf: Propagate errors from udf_truncate_extents()
Make udf_truncate_extents() properly propagate errors to its callers and
let udf_setsize() handle the error properly as well. This lets userspace
know in case there's some error when truncating blocks.
Signed-off-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | fs/udf/inode.c | 4 | ||||
| -rw-r--r-- | fs/udf/truncate.c | 7 | ||||
| -rw-r--r-- | fs/udf/udfdecl.h | 2 |
3 files changed, 8 insertions, 5 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index ae796e10f68b..e7276932e433 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1242,8 +1242,10 @@ set_size: truncate_setsize(inode, newsize); down_write(&iinfo->i_data_sem); udf_clear_extent_cache(inode); - udf_truncate_extents(inode); + err = udf_truncate_extents(inode); up_write(&iinfo->i_data_sem); + if (err) + return err; } update_time: inode->i_mtime = inode->i_ctime = current_time(inode); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 94220ba85628..63a47f1e1d52 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -199,7 +199,7 @@ static void udf_update_alloc_ext_desc(struct inode *inode, * for making file shorter. For making file longer, udf_extend_file() has to * be used. */ -void udf_truncate_extents(struct inode *inode) +int udf_truncate_extents(struct inode *inode) { struct extent_position epos; struct kernel_lb_addr eloc, neloc = {}; @@ -224,7 +224,7 @@ void udf_truncate_extents(struct inode *inode) if (etype == -1) { /* We should extend the file? */ WARN_ON(byte_offset); - return; + return 0; } epos.offset -= adsize; extent_trunc(inode, &epos, &eloc, etype, elen, byte_offset); @@ -262,7 +262,7 @@ void udf_truncate_extents(struct inode *inode) udf_get_lb_pblock(sb, &eloc, 0)); /* Error reading indirect block? */ if (!epos.bh) - return; + return -EIO; if (elen) indirect_ext_len = (elen + sb->s_blocksize - 1) >> @@ -286,4 +286,5 @@ void udf_truncate_extents(struct inode *inode) iinfo->i_lenExtents = inode->i_size; brelse(epos.bh); + return 0; } diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ee246769dee4..d89ef71887fc 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -235,7 +235,7 @@ extern struct inode *udf_new_inode(struct inode *, umode_t); /* truncate.c */ extern void udf_truncate_tail_extent(struct inode *); extern void udf_discard_prealloc(struct inode *); -extern void udf_truncate_extents(struct inode *); +extern int udf_truncate_extents(struct inode *); /* balloc.c */ extern void udf_free_blocks(struct super_block *, struct inode *, |