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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c92
1 files changed, 62 insertions, 30 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 966ddcc4c63d..2c984f7d4c2a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -93,6 +93,8 @@ static noinline int cow_file_range(struct inode *inode,
struct page *locked_page,
u64 start, u64 end, int *page_started,
unsigned long *nr_written, int unlock);
+static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct inode *inode);
static int btrfs_init_inode_security(struct btrfs_trans_handle *trans,
struct inode *inode, struct inode *dir,
@@ -1741,7 +1743,7 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
trans->block_rsv = &root->fs_info->delalloc_block_rsv;
- ret = btrfs_update_inode(trans, root, inode);
+ ret = btrfs_update_inode_fallback(trans, root, inode);
BUG_ON(ret);
}
goto out;
@@ -1791,7 +1793,7 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
ret = btrfs_ordered_update_i_size(inode, 0, ordered_extent);
if (!ret || !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags)) {
- ret = btrfs_update_inode(trans, root, inode);
+ ret = btrfs_update_inode_fallback(trans, root, inode);
BUG_ON(ret);
}
ret = 0;
@@ -2199,6 +2201,9 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
if (ret)
goto out;
}
+ /* release the path since we're done with it */
+ btrfs_release_path(path);
+
root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE;
if (root->orphan_block_rsv)
@@ -2426,7 +2431,7 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
/*
* copy everything in the in-memory inode into the btree.
*/
-noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
+static noinline int btrfs_update_inode_item(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct inode *inode)
{
struct btrfs_inode_item *inode_item;
@@ -2434,21 +2439,6 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
int ret;
- /*
- * If the inode is a free space inode, we can deadlock during commit
- * if we put it into the delayed code.
- *
- * The data relocation inode should also be directly updated
- * without delay
- */
- if (!btrfs_is_free_space_inode(root, inode)
- && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
- ret = btrfs_delayed_update_inode(trans, root, inode);
- if (!ret)
- btrfs_set_inode_last_trans(trans, inode);
- return ret;
- }
-
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
@@ -2477,6 +2467,43 @@ failed:
}
/*
+ * copy everything in the in-memory inode into the btree.
+ */
+noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct inode *inode)
+{
+ int ret;
+
+ /*
+ * If the inode is a free space inode, we can deadlock during commit
+ * if we put it into the delayed code.
+ *
+ * The data relocation inode should also be directly updated
+ * without delay
+ */
+ if (!btrfs_is_free_space_inode(root, inode)
+ && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
+ ret = btrfs_delayed_update_inode(trans, root, inode);
+ if (!ret)
+ btrfs_set_inode_last_trans(trans, inode);
+ return ret;
+ }
+
+ return btrfs_update_inode_item(trans, root, inode);
+}
+
+static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct inode *inode)
+{
+ int ret;
+
+ ret = btrfs_update_inode(trans, root, inode);
+ if (ret == -ENOSPC)
+ return btrfs_update_inode_item(trans, root, inode);
+ return ret;
+}
+
+/*
* unlink helper that gets used here in inode.c and in the tree logging
* recovery code. It remove a link in a directory with a given name, and
* also drops the back refs in the inode to the directory
@@ -3463,7 +3490,7 @@ void btrfs_evict_inode(struct inode *inode)
* doing the truncate.
*/
while (1) {
- ret = btrfs_block_rsv_refill(root, rsv, min_size);
+ ret = btrfs_block_rsv_refill_noflush(root, rsv, min_size);
/*
* Try and steal from the global reserve since we will
@@ -5632,7 +5659,7 @@ again:
if (test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags)) {
ret = btrfs_ordered_update_i_size(inode, 0, ordered);
if (!ret)
- err = btrfs_update_inode(trans, root, inode);
+ err = btrfs_update_inode_fallback(trans, root, inode);
goto out;
}
@@ -5670,7 +5697,7 @@ again:
add_pending_csums(trans, inode, ordered->file_offset, &ordered->list);
ret = btrfs_ordered_update_i_size(inode, 0, ordered);
if (!ret || !test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags))
- btrfs_update_inode(trans, root, inode);
+ btrfs_update_inode_fallback(trans, root, inode);
ret = 0;
out_unlock:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, ordered->file_offset,
@@ -6529,14 +6556,16 @@ end_trans:
ret = btrfs_orphan_del(NULL, inode);
}
- trans->block_rsv = &root->fs_info->trans_block_rsv;
- ret = btrfs_update_inode(trans, root, inode);
- if (ret && !err)
- err = ret;
+ if (trans) {
+ trans->block_rsv = &root->fs_info->trans_block_rsv;
+ ret = btrfs_update_inode(trans, root, inode);
+ if (ret && !err)
+ err = ret;
- nr = trans->blocks_used;
- ret = btrfs_end_transaction_throttle(trans, root);
- btrfs_btree_balance_dirty(root, nr);
+ nr = trans->blocks_used;
+ ret = btrfs_end_transaction_throttle(trans, root);
+ btrfs_btree_balance_dirty(root, nr);
+ }
out:
btrfs_free_block_rsv(root, rsv);
@@ -6605,6 +6634,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
ei->orphan_meta_reserved = 0;
ei->dummy_inode = 0;
ei->in_defrag = 0;
+ ei->delalloc_meta_reserved = 0;
ei->force_compress = BTRFS_COMPRESS_NONE;
ei->delayed_node = NULL;
@@ -6764,11 +6794,13 @@ static int btrfs_getattr(struct vfsmount *mnt,
struct dentry *dentry, struct kstat *stat)
{
struct inode *inode = dentry->d_inode;
+ u32 blocksize = inode->i_sb->s_blocksize;
+
generic_fillattr(inode, stat);
stat->dev = BTRFS_I(inode)->root->anon_dev;
stat->blksize = PAGE_CACHE_SIZE;
- stat->blocks = (inode_get_bytes(inode) +
- BTRFS_I(inode)->delalloc_bytes) >> 9;
+ stat->blocks = (ALIGN(inode_get_bytes(inode), blocksize) +
+ ALIGN(BTRFS_I(inode)->delalloc_bytes, blocksize)) >> 9;
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-14 05:15:49 +0300