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Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r--fs/ext4/inode.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 48fbdfc43c10..585153057c2a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -261,8 +261,15 @@ void ext4_evict_inode(struct inode *inode)
"couldn't mark inode dirty (err %d)", err);
goto stop_handle;
}
- if (inode->i_blocks)
- ext4_truncate(inode);
+ if (inode->i_blocks) {
+ err = ext4_truncate(inode);
+ if (err) {
+ ext4_error(inode->i_sb,
+ "couldn't truncate inode %lu (err %d)",
+ inode->i_ino, err);
+ goto stop_handle;
+ }
+ }
/*
* ext4_ext_truncate() doesn't reserve any slop when it
@@ -4097,10 +4104,11 @@ int ext4_inode_attach_jinode(struct inode *inode)
* that's fine - as long as they are linked from the inode, the post-crash
* ext4_truncate() run will find them and release them.
*/
-void ext4_truncate(struct inode *inode)
+int ext4_truncate(struct inode *inode)
{
struct ext4_inode_info *ei = EXT4_I(inode);
unsigned int credits;
+ int err = 0;
handle_t *handle;
struct address_space *mapping = inode->i_mapping;
@@ -4114,7 +4122,7 @@ void ext4_truncate(struct inode *inode)
trace_ext4_truncate_enter(inode);
if (!ext4_can_truncate(inode))
- return;
+ return 0;
ext4_clear_inode_flag(inode, EXT4_INODE_EOFBLOCKS);
@@ -4126,13 +4134,13 @@ void ext4_truncate(struct inode *inode)
ext4_inline_data_truncate(inode, &has_inline);
if (has_inline)
- return;
+ return 0;
}
/* If we zero-out tail of the page, we have to create jinode for jbd2 */
if (inode->i_size & (inode->i_sb->s_blocksize - 1)) {
if (ext4_inode_attach_jinode(inode) < 0)
- return;
+ return 0;
}
if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
@@ -4141,10 +4149,8 @@ void ext4_truncate(struct inode *inode)
credits = ext4_blocks_for_truncate(inode);
handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits);
- if (IS_ERR(handle)) {
- ext4_std_error(inode->i_sb, PTR_ERR(handle));
- return;
- }
+ if (IS_ERR(handle))
+ return PTR_ERR(handle);
if (inode->i_size & (inode->i_sb->s_blocksize - 1))
ext4_block_truncate_page(handle, mapping, inode->i_size);
@@ -4158,7 +4164,8 @@ void ext4_truncate(struct inode *inode)
* Implication: the file must always be in a sane, consistent
* truncatable state while each transaction commits.
*/
- if (ext4_orphan_add(handle, inode))
+ err = ext4_orphan_add(handle, inode);
+ if (err)
goto out_stop;
down_write(&EXT4_I(inode)->i_data_sem);
@@ -4191,6 +4198,7 @@ out_stop:
ext4_journal_stop(handle);
trace_ext4_truncate_exit(inode);
+ return err;
}
/*
@@ -5205,12 +5213,15 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
* in data=journal mode to make pages freeable.
*/
truncate_pagecache(inode, inode->i_size);
- if (shrink)
- ext4_truncate(inode);
+ if (shrink) {
+ rc = ext4_truncate(inode);
+ if (rc)
+ error = rc;
+ }
up_write(&EXT4_I(inode)->i_mmap_sem);
}
- if (!rc) {
+ if (!error) {
setattr_copy(inode, attr);
mark_inode_dirty(inode);
}
@@ -5222,7 +5233,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
if (orphan && inode->i_nlink)
ext4_orphan_del(NULL, inode);
- if (!rc && (ia_valid & ATTR_MODE))
+ if (!error && (ia_valid & ATTR_MODE))
rc = posix_acl_chmod(inode, inode->i_mode);
err_out: