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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-01 20:23:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-01 20:23:15 -0700
commit0efe5e32c8729ef44b00d9a7203e4c99a6378b27 (patch)
tree8df3309198b2ab87f549c82c59125d2b106bcdbe /fs/btrfs/ctree.h
parente6a0a8bfef1094084e53bfaad6d512c23da7a6dd (diff)
parent9c2693c9243b81802c6860570557165e874779a7 (diff)
downloadlinux-0efe5e32c8729ef44b00d9a7203e4c99a6378b27.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix data space leak fix Btrfs: remove duplicates of filemap_ helpers Btrfs: take i_mutex before generic_write_checks Btrfs: fix arguments to btrfs_wait_on_page_writeback_range Btrfs: fix deadlock with free space handling and user transactions Btrfs: fix error cases for ioctl transactions Btrfs: Use CONFIG_BTRFS_POSIX_ACL to enable ACL code Btrfs: introduce missing kfree Btrfs: Fix setting umask when POSIX ACLs are not enabled Btrfs: proper -ENOSPC handling
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h25
1 files changed, 17 insertions, 8 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 4484eb3408af..dd8ced9814c4 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -675,18 +675,19 @@ struct btrfs_space_info {
current allocations */
u64 bytes_readonly; /* total bytes that are read only */
u64 bytes_super; /* total bytes reserved for the super blocks */
-
- /* delalloc accounting */
- u64 bytes_delalloc; /* number of bytes reserved for allocation,
- this space is not necessarily reserved yet
- by the allocator */
+ u64 bytes_root; /* the number of bytes needed to commit a
+ transaction */
u64 bytes_may_use; /* number of bytes that may be used for
- delalloc */
+ delalloc/allocations */
+ u64 bytes_delalloc; /* number of bytes currently reserved for
+ delayed allocation */
int full; /* indicates that we cannot allocate any more
chunks for this space */
int force_alloc; /* set if we need to force a chunk alloc for
this space */
+ int force_delalloc; /* make people start doing filemap_flush until
+ we're under a threshold */
struct list_head list;
@@ -695,6 +696,9 @@ struct btrfs_space_info {
spinlock_t lock;
struct rw_semaphore groups_sem;
atomic_t caching_threads;
+
+ int allocating_chunk;
+ wait_queue_head_t wait;
};
/*
@@ -2022,7 +2026,12 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags);
void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
-int btrfs_check_metadata_free_space(struct btrfs_root *root);
+int btrfs_reserve_metadata_space(struct btrfs_root *root, int num_items);
+int btrfs_unreserve_metadata_space(struct btrfs_root *root, int num_items);
+int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root,
+ struct inode *inode, int num_items);
+int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root,
+ struct inode *inode, int num_items);
int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode,
u64 bytes);
void btrfs_free_reserved_data_space(struct btrfs_root *root,
@@ -2357,7 +2366,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options);
int btrfs_sync_fs(struct super_block *sb, int wait);
/* acl.c */
-#ifdef CONFIG_FS_POSIX_ACL
+#ifdef CONFIG_BTRFS_POSIX_ACL
int btrfs_check_acl(struct inode *inode, int mask);
#else
#define btrfs_check_acl NULL