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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c113
1 files changed, 44 insertions, 69 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e9482f0db9d0..def3ada0f0b8 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6335,8 +6335,10 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
location->type = BTRFS_INODE_ITEM_KEY;
ret = btrfs_insert_inode_locked(inode);
- if (ret < 0)
+ if (ret < 0) {
+ iput(inode);
goto fail;
+ }
path->leave_spinning = 1;
ret = btrfs_insert_empty_items(trans, root, path, key, sizes, nitems);
@@ -6395,12 +6397,11 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
return inode;
fail_unlock:
- unlock_new_inode(inode);
+ discard_new_inode(inode);
fail:
if (dir && name)
BTRFS_I(dir)->index_cnt--;
btrfs_free_path(path);
- iput(inode);
return ERR_PTR(ret);
}
@@ -6505,7 +6506,6 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = NULL;
int err;
- int drop_inode = 0;
u64 objectid;
u64 index = 0;
@@ -6527,6 +6527,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
mode, &index);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
+ inode = NULL;
goto out_unlock;
}
@@ -6541,31 +6542,24 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name);
if (err)
- goto out_unlock_inode;
+ goto out_unlock;
err = btrfs_add_nondir(trans, BTRFS_I(dir), dentry, BTRFS_I(inode),
0, index);
- if (err) {
- goto out_unlock_inode;
- } else {
- btrfs_update_inode(trans, root, inode);
- d_instantiate_new(dentry, inode);
- }
+ if (err)
+ goto out_unlock;
+
+ btrfs_update_inode(trans, root, inode);
+ d_instantiate_new(dentry, inode);
out_unlock:
btrfs_end_transaction(trans);
btrfs_btree_balance_dirty(fs_info);
- if (drop_inode) {
+ if (err && inode) {
inode_dec_link_count(inode);
- iput(inode);
+ discard_new_inode(inode);
}
return err;
-
-out_unlock_inode:
- drop_inode = 1;
- unlock_new_inode(inode);
- goto out_unlock;
-
}
static int btrfs_create(struct inode *dir, struct dentry *dentry,
@@ -6575,7 +6569,6 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct inode *inode = NULL;
- int drop_inode_on_err = 0;
int err;
u64 objectid;
u64 index = 0;
@@ -6598,9 +6591,9 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
mode, &index);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
+ inode = NULL;
goto out_unlock;
}
- drop_inode_on_err = 1;
/*
* If the active LSM wants to access the inode during
* d_instantiate it needs these. Smack checks to see
@@ -6613,33 +6606,28 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name);
if (err)
- goto out_unlock_inode;
+ goto out_unlock;
err = btrfs_update_inode(trans, root, inode);
if (err)
- goto out_unlock_inode;
+ goto out_unlock;
err = btrfs_add_nondir(trans, BTRFS_I(dir), dentry, BTRFS_I(inode),
0, index);
if (err)
- goto out_unlock_inode;
+ goto out_unlock;
BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
d_instantiate_new(dentry, inode);
out_unlock:
btrfs_end_transaction(trans);
- if (err && drop_inode_on_err) {
+ if (err && inode) {
inode_dec_link_count(inode);
- iput(inode);
+ discard_new_inode(inode);
}
btrfs_btree_balance_dirty(fs_info);
return err;
-
-out_unlock_inode:
- unlock_new_inode(inode);
- goto out_unlock;
-
}
static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
@@ -6748,6 +6736,7 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
S_IFDIR | mode, &index);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
+ inode = NULL;
goto out_fail;
}
@@ -6758,34 +6747,30 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name);
if (err)
- goto out_fail_inode;
+ goto out_fail;
btrfs_i_size_write(BTRFS_I(inode), 0);
err = btrfs_update_inode(trans, root, inode);
if (err)
- goto out_fail_inode;
+ goto out_fail;
err = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode),
dentry->d_name.name,
dentry->d_name.len, 0, index);
if (err)
- goto out_fail_inode;
+ goto out_fail;
d_instantiate_new(dentry, inode);
drop_on_err = 0;
out_fail:
btrfs_end_transaction(trans);
- if (drop_on_err) {
+ if (err && inode) {
inode_dec_link_count(inode);
- iput(inode);
+ discard_new_inode(inode);
}
btrfs_btree_balance_dirty(fs_info);
return err;
-
-out_fail_inode:
- unlock_new_inode(inode);
- goto out_fail;
}
static noinline int uncompress_inline(struct btrfs_path *path,
@@ -9005,13 +8990,14 @@ again:
unlock_extent_cached(io_tree, page_start, page_end, &cached_state);
-out_unlock:
if (!ret2) {
btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, true);
sb_end_pagefault(inode->i_sb);
extent_changeset_free(data_reserved);
return VM_FAULT_LOCKED;
}
+
+out_unlock:
unlock_page(page);
out:
btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, (ret != 0));
@@ -9443,6 +9429,7 @@ static int btrfs_rename_exchange(struct inode *old_dir,
u64 new_idx = 0;
u64 root_objectid;
int ret;
+ int ret2;
bool root_log_pinned = false;
bool dest_log_pinned = false;
@@ -9639,7 +9626,8 @@ out_fail:
dest_log_pinned = false;
}
}
- ret = btrfs_end_transaction(trans);
+ ret2 = btrfs_end_transaction(trans);
+ ret = ret ? ret : ret2;
out_notrans:
if (new_ino == BTRFS_FIRST_FREE_OBJECTID)
up_read(&fs_info->subvol_sem);
@@ -10112,7 +10100,6 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
struct btrfs_key key;
struct inode *inode = NULL;
int err;
- int drop_inode = 0;
u64 objectid;
u64 index = 0;
int name_len;
@@ -10145,6 +10132,7 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
objectid, S_IFLNK|S_IRWXUGO, &index);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
+ inode = NULL;
goto out_unlock;
}
@@ -10161,12 +10149,12 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name);
if (err)
- goto out_unlock_inode;
+ goto out_unlock;
path = btrfs_alloc_path();
if (!path) {
err = -ENOMEM;
- goto out_unlock_inode;
+ goto out_unlock;
}
key.objectid = btrfs_ino(BTRFS_I(inode));
key.offset = 0;
@@ -10176,7 +10164,7 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
datasize);
if (err) {
btrfs_free_path(path);
- goto out_unlock_inode;
+ goto out_unlock;
}
leaf = path->nodes[0];
ei = btrfs_item_ptr(leaf, path->slots[0],
@@ -10208,26 +10196,19 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
if (!err)
err = btrfs_add_nondir(trans, BTRFS_I(dir), dentry,
BTRFS_I(inode), 0, index);
- if (err) {
- drop_inode = 1;
- goto out_unlock_inode;
- }
+ if (err)
+ goto out_unlock;
d_instantiate_new(dentry, inode);
out_unlock:
btrfs_end_transaction(trans);
- if (drop_inode) {
+ if (err && inode) {
inode_dec_link_count(inode);
- iput(inode);
+ discard_new_inode(inode);
}
btrfs_btree_balance_dirty(fs_info);
return err;
-
-out_unlock_inode:
- drop_inode = 1;
- unlock_new_inode(inode);
- goto out_unlock;
}
static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
@@ -10436,14 +10417,14 @@ static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
ret = btrfs_init_inode_security(trans, inode, dir, NULL);
if (ret)
- goto out_inode;
+ goto out;
ret = btrfs_update_inode(trans, root, inode);
if (ret)
- goto out_inode;
+ goto out;
ret = btrfs_orphan_add(trans, BTRFS_I(inode));
if (ret)
- goto out_inode;
+ goto out;
/*
* We set number of links to 0 in btrfs_new_inode(), and here we set
@@ -10453,21 +10434,15 @@ static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
* d_tmpfile() -> inode_dec_link_count() -> drop_nlink()
*/
set_nlink(inode, 1);
- unlock_new_inode(inode);
d_tmpfile(dentry, inode);
+ unlock_new_inode(inode);
mark_inode_dirty(inode);
-
out:
btrfs_end_transaction(trans);
- if (ret)
- iput(inode);
+ if (ret && inode)
+ discard_new_inode(inode);
btrfs_btree_balance_dirty(fs_info);
return ret;
-
-out_inode:
- unlock_new_inode(inode);
- goto out;
-
}
__attribute__((const))
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-11-04 07:37:01 +0000