hfsplus: Add error propagation for hfsplus_ext_write_extent_locked
Implement error propagation through the callers of
hfsplus_ext_write_extent_locked().
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 95065a8..5849e3e 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -119,23 +119,31 @@
set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags);
}
-static void hfsplus_ext_write_extent_locked(struct inode *inode)
+static int hfsplus_ext_write_extent_locked(struct inode *inode)
{
+ int res;
+
if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) {
struct hfs_find_data fd;
- if (!hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd)) {
- __hfsplus_ext_write_extent(inode, &fd);
- hfs_find_exit(&fd);
- }
+ res = hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd);
+ if (res)
+ return res;
+ __hfsplus_ext_write_extent(inode, &fd);
+ hfs_find_exit(&fd);
}
+ return 0;
}
-void hfsplus_ext_write_extent(struct inode *inode)
+int hfsplus_ext_write_extent(struct inode *inode)
{
+ int res;
+
mutex_lock(&HFSPLUS_I(inode)->extents_lock);
- hfsplus_ext_write_extent_locked(inode);
+ res = hfsplus_ext_write_extent_locked(inode);
mutex_unlock(&HFSPLUS_I(inode)->extents_lock);
+
+ return res;
}
static inline int __hfsplus_ext_read_extent(struct hfs_find_data *fd,
@@ -477,7 +485,9 @@
insert_extent:
dprint(DBG_EXTENT, "insert new extent\n");
- hfsplus_ext_write_extent_locked(inode);
+ res = hfsplus_ext_write_extent_locked(inode);
+ if (res)
+ goto out;
memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
hip->cached_extents[0].start_block = cpu_to_be32(start);
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index d685752..0bebf74 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -374,7 +374,7 @@
/* extents.c */
int hfsplus_ext_cmp_key(const hfsplus_btree_key *, const hfsplus_btree_key *);
-void hfsplus_ext_write_extent(struct inode *);
+int hfsplus_ext_write_extent(struct inode *);
int hfsplus_get_block(struct inode *, sector_t, struct buffer_head *, int);
int hfsplus_free_fork(struct super_block *, u32,
struct hfsplus_fork_raw *, int);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 2c1a722..84f56e1 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -135,9 +135,13 @@
static int hfsplus_write_inode(struct inode *inode,
struct writeback_control *wbc)
{
+ int err;
+
dprint(DBG_INODE, "hfsplus_write_inode: %lu\n", inode->i_ino);
- hfsplus_ext_write_extent(inode);
+ err = hfsplus_ext_write_extent(inode);
+ if (err)
+ return err;
if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID ||
inode->i_ino == HFSPLUS_ROOT_CNID)