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authorLiu Bo <bo.li.liu@oracle.com>2017-11-03 00:21:50 +0100
committerDavid Sterba <dsterba@suse.com>2018-01-22 16:08:11 +0100
commitf5c29bd9dbd3e90e03ab7697ecc373b49394e62e (patch)
treed09c430638f432fefa37bc80974c791a470d1b85 /fs
parentbtrfs: rename btrfs_add_device to btrfs_add_dev_item (diff)
downloadlinux-f5c29bd9dbd3e90e03ab7697ecc373b49394e62e.tar.xz
linux-f5c29bd9dbd3e90e03ab7697ecc373b49394e62e.zip
Btrfs: add __init macro to btrfs init functions
Adding __init macro gives kernel a hint that this function is only used during the initialization phase and its memory resources can be freed up after. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/compression.h2
-rw-r--r--fs/btrfs/ctree.h6
-rw-r--r--fs/btrfs/delayed-ref.c2
-rw-r--r--fs/btrfs/delayed-ref.h2
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/btrfs/inode.c2
-rw-r--r--fs/btrfs/super.c4
-rw-r--r--fs/btrfs/sysfs.c2
8 files changed, 11 insertions, 11 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 0868cc554f14..6b692903a23c 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -75,7 +75,7 @@ struct compressed_bio {
u32 sums;
};
-void btrfs_init_compress(void);
+void __init btrfs_init_compress(void);
void btrfs_exit_compress(void);
int btrfs_compress_pages(unsigned int type_level, struct address_space *mapping,
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 13c260b525a1..a56d00311578 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3197,7 +3197,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
struct inode *btrfs_alloc_inode(struct super_block *sb);
void btrfs_destroy_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
-int btrfs_init_cachep(void);
+int __init btrfs_init_cachep(void);
void btrfs_destroy_cachep(void);
long btrfs_ioctl_trans_end(struct file *file);
struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
@@ -3248,7 +3248,7 @@ ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
struct file *dst_file, u64 dst_loff);
/* file.c */
-int btrfs_auto_defrag_init(void);
+int __init btrfs_auto_defrag_init(void);
void btrfs_auto_defrag_exit(void);
int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
struct btrfs_inode *inode);
@@ -3283,7 +3283,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
/* sysfs.c */
-int btrfs_init_sysfs(void);
+int __init btrfs_init_sysfs(void);
void btrfs_exit_sysfs(void);
int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info);
void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info);
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 83be8f9fd906..a1a40cf382e3 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -937,7 +937,7 @@ void btrfs_delayed_ref_exit(void)
kmem_cache_destroy(btrfs_delayed_extent_op_cachep);
}
-int btrfs_delayed_ref_init(void)
+int __init btrfs_delayed_ref_init(void)
{
btrfs_delayed_ref_head_cachep = kmem_cache_create(
"btrfs_delayed_ref_head",
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index a43af432f859..c4f625e5a691 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -203,7 +203,7 @@ extern struct kmem_cache *btrfs_delayed_tree_ref_cachep;
extern struct kmem_cache *btrfs_delayed_data_ref_cachep;
extern struct kmem_cache *btrfs_delayed_extent_op_cachep;
-int btrfs_delayed_ref_init(void);
+int __init btrfs_delayed_ref_init(void);
void btrfs_delayed_ref_exit(void);
static inline struct btrfs_delayed_extent_op *
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 559d716221df..d1eba3394660 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3143,7 +3143,7 @@ void btrfs_auto_defrag_exit(void)
kmem_cache_destroy(btrfs_inode_defrag_cachep);
}
-int btrfs_auto_defrag_init(void)
+int __init btrfs_auto_defrag_init(void)
{
btrfs_inode_defrag_cachep = kmem_cache_create("btrfs_inode_defrag",
sizeof(struct inode_defrag), 0,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2bab93f20328..c8a3e84d7114 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9569,7 +9569,7 @@ void btrfs_destroy_cachep(void)
kmem_cache_destroy(btrfs_free_space_cachep);
}
-int btrfs_init_cachep(void)
+int __init btrfs_init_cachep(void)
{
btrfs_inode_cachep = kmem_cache_create("btrfs_inode",
sizeof(struct btrfs_inode), 0,
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 3a4dce153645..7a7abe827ac4 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2324,7 +2324,7 @@ static struct miscdevice btrfs_misc = {
MODULE_ALIAS_MISCDEV(BTRFS_MINOR);
MODULE_ALIAS("devname:btrfs-control");
-static int btrfs_interface_init(void)
+static int __init btrfs_interface_init(void)
{
return misc_register(&btrfs_misc);
}
@@ -2334,7 +2334,7 @@ static void btrfs_interface_exit(void)
misc_deregister(&btrfs_misc);
}
-static void btrfs_print_mod_info(void)
+static void __init btrfs_print_mod_info(void)
{
pr_info("Btrfs loaded, crc32c=%s"
#ifdef CONFIG_BTRFS_DEBUG
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index a28bba801264..a8bafed931f4 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -897,7 +897,7 @@ static int btrfs_init_debugfs(void)
return 0;
}
-int btrfs_init_sysfs(void)
+int __init btrfs_init_sysfs(void)
{
int ret;