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ocfs2: acknowledge return value of ocfs2_error()

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Caveat: This may return -EROFS for a read case, which seems wrong.  This
is happening even without this patch series though.  Should we convert
EROFS to EIO?

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Goldwyn Rodrigues
2015-09-04 15:44:17 -07:00
committed by Linus Torvalds
parent 7d0fb9148a
commit 17a5b9ab32
7 changed files with 51 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/ocfs2/refcounttree.c
+18 -24
View File
@@ -102,32 +102,32 @@ static int ocfs2_validate_refcount_block(struct super_block *sb,
if (!OCFS2_IS_VALID_REFCOUNT_BLOCK(rb)) {
ocfs2_error(sb,
rc = ocfs2_error(sb,
"Refcount block #%llu has bad signature %.*s",
(unsigned long long)bh->b_blocknr, 7,
rb->rf_signature);
return -EINVAL;
goto out;
}
if (le64_to_cpu(rb->rf_blkno) != bh->b_blocknr) {
ocfs2_error(sb,
rc = ocfs2_error(sb,
"Refcount block #%llu has an invalid rf_blkno "
"of %llu",
(unsigned long long)bh->b_blocknr,
(unsigned long long)le64_to_cpu(rb->rf_blkno));
return -EINVAL;
goto out;
}
if (le32_to_cpu(rb->rf_fs_generation) != OCFS2_SB(sb)->fs_generation) {
ocfs2_error(sb,
rc = ocfs2_error(sb,
"Refcount block #%llu has an invalid "
"rf_fs_generation of #%u",
(unsigned long long)bh->b_blocknr,
le32_to_cpu(rb->rf_fs_generation));
return -EINVAL;
goto out;
}
return 0;
out:
return rc;
}
static int ocfs2_read_refcount_block(struct ocfs2_caching_info *ci,
@@ -1102,12 +1102,11 @@ static int ocfs2_get_refcount_rec(struct ocfs2_caching_info *ci,
el = &eb->h_list;
if (el->l_tree_depth) {
ocfs2_error(sb,
"refcount tree %llu has non zero tree "
"depth in leaf btree tree block %llu\n",
(unsigned long long)ocfs2_metadata_cache_owner(ci),
(unsigned long long)eb_bh->b_blocknr);
ret = -EROFS;
ret = ocfs2_error(sb,
"refcount tree %llu has non zero tree "
"depth in leaf btree tree block %llu\n",
(unsigned long long)ocfs2_metadata_cache_owner(ci),
(unsigned long long)eb_bh->b_blocknr);
goto out;
}
}
@@ -2359,10 +2358,9 @@ static int ocfs2_mark_extent_refcounted(struct inode *inode,
cpos, len, phys);
if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb))) {
ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
ret = ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
"tree, but the feature bit is not set in the "
"super block.", inode->i_ino);
ret = -EROFS;
goto out;
}
@@ -2545,10 +2543,9 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
u64 start_cpos = ocfs2_blocks_to_clusters(inode->i_sb, phys_blkno);
if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb))) {
ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
ret = ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
"tree, but the feature bit is not set in the "
"super block.", inode->i_ino);
ret = -EROFS;
goto out;
}
@@ -2672,11 +2669,10 @@ static int ocfs2_refcount_cal_cow_clusters(struct inode *inode,
el = &eb->h_list;
if (el->l_tree_depth) {
ocfs2_error(inode->i_sb,
ret = ocfs2_error(inode->i_sb,
"Inode %lu has non zero tree depth in "
"leaf block %llu\n", inode->i_ino,
(unsigned long long)eb_bh->b_blocknr);
ret = -EROFS;
goto out;
}
}
@@ -3106,11 +3102,10 @@ static int ocfs2_clear_ext_refcount(handle_t *handle,
index = ocfs2_search_extent_list(el, cpos);
if (index == -1) {
ocfs2_error(sb,
ret = ocfs2_error(sb,
"Inode %llu has an extent at cpos %u which can no "
"longer be found.\n",
(unsigned long long)ino, cpos);
ret = -EROFS;
goto out;
}
@@ -3376,10 +3371,9 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context)
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb))) {
ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
return ocfs2_error(inode->i_sb, "Inode %lu want to use refcount "
"tree, but the feature bit is not set in the "
"super block.", inode->i_ino);
return -EROFS;
}
ocfs2_init_dealloc_ctxt(&context->dealloc);