#include <linux/hash.h>
#include <linux/refcount.h>
+#include <linux/fscrypt.h>
+#include <trace/events/btrfs.h>
#include "extent_map.h"
#include "extent_io.h"
#include "ordered-data.h"
*/
struct btrfs_key location;
+ /* Cached value of inode property 'compression'. */
+ u8 prop_compress;
+
+ /*
+ * Force compression on the file using the defrag ioctl, could be
+ * different from prop_compress and takes precedence if set.
+ */
+ u8 defrag_compress;
+
/*
* Lock for counters and all fields used to determine if the inode is in
* the log or not (last_trans, last_sub_trans, last_log_commit,
- * logged_trans), to access/update new_delalloc_bytes and to update the
- * VFS' inode number of bytes used.
+ * logged_trans), to access/update delalloc_bytes, new_delalloc_bytes,
+ * defrag_bytes, disk_i_size, outstanding_extents, csum_bytes and to
+ * update the VFS' inode number of bytes used.
*/
spinlock_t lock;
/* held while logging the inode in tree-log.c */
struct mutex log_mutex;
+ /*
+ * Counters to keep track of the number of extent item's we may use due
+ * to delalloc and such. outstanding_extents is the number of extent
+ * items we think we'll end up using, and reserved_extents is the number
+ * of extent items we've reserved metadata for. Protected by 'lock'.
+ */
+ unsigned outstanding_extents;
+
/* used to order data wrt metadata */
- struct btrfs_ordered_inode_tree ordered_tree;
+ spinlock_t ordered_tree_lock;
+ struct rb_root ordered_tree;
+ struct rb_node *ordered_tree_last;
/* list of all the delalloc inodes in the FS. There are times we need
* to write all the delalloc pages to disk, and this list is used
u64 generation;
/*
- * transid of the trans_handle that last modified this inode
+ * ID of the transaction handle that last modified this inode.
+ * Protected by 'lock'.
*/
u64 last_trans;
/*
- * transid that last logged this inode
+ * ID of the transaction that last logged this inode.
+ * Protected by 'lock'.
*/
u64 logged_trans;
/*
- * log transid when this inode was last modified
+ * Log transaction ID when this inode was last modified.
+ * Protected by 'lock'.
*/
int last_sub_trans;
- /* a local copy of root's last_log_commit */
+ /* A local copy of root's last_log_commit. Protected by 'lock'. */
int last_log_commit;
union {
/*
* Total number of bytes pending delalloc, used by stat to
* calculate the real block usage of the file. This is used
- * only for files.
+ * only for files. Protected by 'lock'.
*/
u64 delalloc_bytes;
/*
* Total number of bytes pending delalloc that fall within a file
* range that is either a hole or beyond EOF (and no prealloc extent
* exists in the range). This is always <= delalloc_bytes and this
- * is used only for files.
+ * is used only for files. Protected by 'lock'.
*/
u64 new_delalloc_bytes;
/*
};
/*
- * total number of bytes pending defrag, used by stat to check whether
- * it needs COW.
+ * Total number of bytes pending defrag, used by stat to check whether
+ * it needs COW. Protected by 'lock'.
*/
u64 defrag_bytes;
/*
- * the size of the file stored in the metadata on disk. data=ordered
+ * The size of the file stored in the metadata on disk. data=ordered
* means the in-memory i_size might be larger than the size on disk
- * because not all the blocks are written yet.
+ * because not all the blocks are written yet. Protected by 'lock'.
*/
u64 disk_i_size;
/*
* Number of bytes outstanding that are going to need csums. This is
- * used in ENOSPC accounting.
+ * used in ENOSPC accounting. Protected by 'lock'.
*/
u64 csum_bytes;
/* Read-only compatibility flags, upper half of inode_item::flags */
u32 ro_flags;
- /*
- * Counters to keep track of the number of extent item's we may use due
- * to delalloc and such. outstanding_extents is the number of extent
- * items we think we'll end up using, and reserved_extents is the number
- * of extent items we've reserved metadata for.
- */
- unsigned outstanding_extents;
-
struct btrfs_block_rsv block_rsv;
- /*
- * Cached values of inode properties
- */
- unsigned prop_compress; /* per-file compression algorithm */
- /*
- * Force compression on the file using the defrag ioctl, could be
- * different from prop_compress and takes precedence if set
- */
- unsigned defrag_compress;
-
struct btrfs_delayed_node *delayed_node;
/* File creation time. */
- struct timespec64 i_otime;
+ u64 i_otime_sec;
+ u32 i_otime_nsec;
/* Hook into fs_info->delayed_iputs */
struct list_head delayed_iput;
spin_lock(&inode->lock);
if (inode->logged_trans == generation &&
inode->last_sub_trans <= inode->last_log_commit &&
- inode->last_sub_trans <= inode->root->last_log_commit)
+ inode->last_sub_trans <= btrfs_get_root_last_log_commit(inode->root))
ret = true;
spin_unlock(&inode->lock);
return ret;
struct page *page, size_t pg_offset,
u64 start, u64 end);
int btrfs_update_inode(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct btrfs_inode *inode);
+ struct btrfs_inode *inode);
int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct btrfs_inode *inode);
+ struct btrfs_inode *inode);
int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct btrfs_inode *inode);
int btrfs_orphan_cleanup(struct btrfs_root *root);
int btrfs_cont_expand(struct btrfs_inode *inode, loff_t oldsize, loff_t size);
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint);
int btrfs_run_delalloc_range(struct btrfs_inode *inode, struct page *locked_page,
- u64 start, u64 end, int *page_started,
- unsigned long *nr_written, struct writeback_control *wbc);
+ u64 start, u64 end, struct writeback_control *wbc);
int btrfs_writepage_cow_fixup(struct page *page);
-void btrfs_writepage_endio_finish_ordered(struct btrfs_inode *inode,
- struct page *page, u64 start,
- u64 end, bool uptodate);
int btrfs_encoded_io_compression_from_extent(struct btrfs_fs_info *fs_info,
int compress_type);
int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
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