[v2,01/16] btrfs: move fs wide helpers out of ctree.h

Message ID	b2a22c4b8a6683c3fa9be964230b8d37f3abdd32.1666033501.git.josef@toxicpanda.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-btrfs-owner@kernel.org> From: Josef Bacik <josef@toxicpanda.com> To: linux-btrfs@vger.kernel.org, kernel-team@fb.com Subject: [PATCH v2 01/16] btrfs: move fs wide helpers out of ctree.h Date: Mon, 17 Oct 2022 15:08:58 -0400 Message-Id: <b2a22c4b8a6683c3fa9be964230b8d37f3abdd32.1666033501.git.josef@toxicpanda.com> In-Reply-To: <cover.1666033501.git.josef@toxicpanda.com> References: <cover.1666033501.git.josef@toxicpanda.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	btrfs: split out larger chunks of ctree.h \| expand [v2,00/16] btrfs: split out larger chunks of ctree.h [v2,01/16] btrfs: move fs wide helpers out of ctree.h [v2,02/16] btrfs: move larger compat flag helpers to their own c file [v2,03/16] btrfs: move the printk helpers out of ctree.h [v2,04/16] btrfs: move assert and error helpers out of messages.h [v2,05/16] btrfs: push printk index code into their respective helpers [v2,06/16] btrfs: move BTRFS_FS_STATE* defs and helpers to fs.h [v2,07/16] btrfs: convert incompat and compat flag test helpers to defines [v2,08/16] btrfs: move mount option definitions to fs.h [v2,09/16] btrfs: move fs_info->flags enum to fs.h [v2,10/16] btrfs: add a BTRFS_FS_NEED_TRANS_COMMIT flag [v2,11/16] btrfs: remove fs_info::pending_changes and related code [v2,12/16] btrfs: move the compat/incompat flag masks to fs.h [v2,13/16] btrfs: rename struct-funcs.c -> accessors.c [v2,14/16] btrfs: move btrfs_map_token to accessors [v2,15/16] btrfs: move accessor helpers into accessors.h [v2,16/16] btrfs: remove temporary btrfs_map_token declaration in ctree.h

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index dce3a16996b9..64ead955a5d3 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -15,6 +15,7 @@ #include "locking.h" #include "misc.h" #include "tree-mod-log.h" +#include "fs.h" /* Just an arbitrary number so we can be sure this happened */ #define BACKREF_FOUND_SHARED 6 diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 11fd52657b76..2bdf52daca47 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -17,6 +17,7 @@ #include "discard.h" #include "raid56.h" #include "zoned.h" +#include "fs.h" #ifdef CONFIG_BTRFS_DEBUG int btrfs_should_fragment_free_space(struct btrfs_block_group *block_group) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index dff9b84d7677..52987ee61c72 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2849,44 +2849,6 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *node, struct extent_buffer *parent); -static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) -{ - /* - * Do it this way so we only ever do one test_bit in the normal case. - */ - if (test_bit(BTRFS_FS_CLOSING_START, &fs_info->flags)) { - if (test_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags)) - return 2; - return 1; - } - return 0; -} - -/* - * If we remount the fs to be R/O or umount the fs, the cleaner needn't do - * anything except sleeping. This function is used to check the status of - * the fs. - * We check for BTRFS_FS_STATE_RO to avoid races with a concurrent remount, - * since setting and checking for SB_RDONLY in the superblock's flags is not - * atomic. - */ -static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info) -{ - return test_bit(BTRFS_FS_STATE_RO, &fs_info->fs_state) || - btrfs_fs_closing(fs_info); -} - -static inline void btrfs_set_sb_rdonly(struct super_block *sb) -{ - sb->s_flags |= SB_RDONLY; - set_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); -} - -static inline void btrfs_clear_sb_rdonly(struct super_block *sb) -{ - sb->s_flags &= ~SB_RDONLY; - clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); -} /* root-item.c */ int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id, @@ -3513,132 +3475,6 @@ do { \ } while (0) -/* compatibility and incompatibility defines */ - -#define btrfs_set_fs_incompat(__fs_info, opt) \ - __btrfs_set_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, \ - #opt) - -static inline void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, - u64 flag, const char* name) -{ - struct btrfs_super_block *disk_super; - u64 features; - - disk_super = fs_info->super_copy; - features = btrfs_super_incompat_flags(disk_super); - if (!(features & flag)) { - spin_lock(&fs_info->super_lock); - features = btrfs_super_incompat_flags(disk_super); - if (!(features & flag)) { - features |= flag; - btrfs_set_super_incompat_flags(disk_super, features); - btrfs_info(fs_info, - "setting incompat feature flag for %s (0x%llx)", - name, flag); - } - spin_unlock(&fs_info->super_lock); - } -} - -#define btrfs_clear_fs_incompat(__fs_info, opt) \ - __btrfs_clear_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, \ - #opt) - -static inline void __btrfs_clear_fs_incompat(struct btrfs_fs_info *fs_info, - u64 flag, const char* name) -{ - struct btrfs_super_block *disk_super; - u64 features; - - disk_super = fs_info->super_copy; - features = btrfs_super_incompat_flags(disk_super); - if (features & flag) { - spin_lock(&fs_info->super_lock); - features = btrfs_super_incompat_flags(disk_super); - if (features & flag) { - features &= ~flag; - btrfs_set_super_incompat_flags(disk_super, features); - btrfs_info(fs_info, - "clearing incompat feature flag for %s (0x%llx)", - name, flag); - } - spin_unlock(&fs_info->super_lock); - } -} - -#define btrfs_fs_incompat(fs_info, opt) \ - __btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt) - -static inline bool __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag) -{ - struct btrfs_super_block *disk_super; - disk_super = fs_info->super_copy; - return !!(btrfs_super_incompat_flags(disk_super) & flag); -} - -#define btrfs_set_fs_compat_ro(__fs_info, opt) \ - __btrfs_set_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, \ - #opt) - -static inline void __btrfs_set_fs_compat_ro(struct btrfs_fs_info *fs_info, - u64 flag, const char *name) -{ - struct btrfs_super_block *disk_super; - u64 features; - - disk_super = fs_info->super_copy; - features = btrfs_super_compat_ro_flags(disk_super); - if (!(features & flag)) { - spin_lock(&fs_info->super_lock); - features = btrfs_super_compat_ro_flags(disk_super); - if (!(features & flag)) { - features |= flag; - btrfs_set_super_compat_ro_flags(disk_super, features); - btrfs_info(fs_info, - "setting compat-ro feature flag for %s (0x%llx)", - name, flag); - } - spin_unlock(&fs_info->super_lock); - } -} - -#define btrfs_clear_fs_compat_ro(__fs_info, opt) \ - __btrfs_clear_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, \ - #opt) - -static inline void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, - u64 flag, const char *name) -{ - struct btrfs_super_block *disk_super; - u64 features; - - disk_super = fs_info->super_copy; - features = btrfs_super_compat_ro_flags(disk_super); - if (features & flag) { - spin_lock(&fs_info->super_lock); - features = btrfs_super_compat_ro_flags(disk_super); - if (features & flag) { - features &= ~flag; - btrfs_set_super_compat_ro_flags(disk_super, features); - btrfs_info(fs_info, - "clearing compat-ro feature flag for %s (0x%llx)", - name, flag); - } - spin_unlock(&fs_info->super_lock); - } -} - -#define btrfs_fs_compat_ro(fs_info, opt) \ - __btrfs_fs_compat_ro((fs_info), BTRFS_FEATURE_COMPAT_RO_##opt) - -static inline int __btrfs_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag) -{ - struct btrfs_super_block *disk_super; - disk_super = fs_info->super_copy; - return !!(btrfs_super_compat_ro_flags(disk_super) & flag); -} - /* acl.c */ #ifdef CONFIG_BTRFS_FS_POSIX_ACL struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index c29052f5d4e3..fb437d1246e0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -43,6 +43,7 @@ #include "space-info.h" #include "zoned.h" #include "subpage.h" +#include "fs.h" #define BTRFS_SUPER_FLAG_SUPP (BTRFS_HEADER_FLAG_WRITTEN |\ BTRFS_HEADER_FLAG_RELOC |\ diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index cd2d36580f1a..1d87989e9d41 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -36,6 +36,7 @@ #include "rcu-string.h" #include "zoned.h" #include "dev-replace.h" +#include "fs.h" #undef SCRAMBLE_DELAYED_REFS diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 6bb9fa961a6a..824ff54d8155 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -16,6 +16,7 @@ #include "volumes.h" #include "print-tree.h" #include "compression.h" +#include "fs.h" #define __MAX_CSUM_ITEMS(r, size) ((unsigned long)(((BTRFS_LEAF_DATA_SIZE(r) - \ sizeof(struct btrfs_item) * 2) / \ diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 176b432035ae..5b944f1b714e 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -30,6 +30,7 @@ #include "delalloc-space.h" #include "reflink.h" #include "subpage.h" +#include "fs.h" static struct kmem_cache *btrfs_inode_defrag_cachep; /* diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 367bcfcf68f5..bfc21eb8ec63 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -11,6 +11,7 @@ #include "free-space-tree.h" #include "transaction.h" #include "block-group.h" +#include "fs.h" static int __add_block_group_free_space(struct btrfs_trans_handle *trans, struct btrfs_block_group *block_group, diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h new file mode 100644 index 000000000000..56be405a008c --- /dev/null +++ b/fs/btrfs/fs.h @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0 + +#ifndef BTRFS_FS_H +#define BTRFS_FS_H + +/* compatibility and incompatibility defines */ + +#define btrfs_set_fs_incompat(__fs_info, opt) \ + __btrfs_set_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, \ + #opt) + +static inline void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, + u64 flag, const char* name) +{ + struct btrfs_super_block *disk_super; + u64 features; + + disk_super = fs_info->super_copy; + features = btrfs_super_incompat_flags(disk_super); + if (!(features & flag)) { + spin_lock(&fs_info->super_lock); + features = btrfs_super_incompat_flags(disk_super); + if (!(features & flag)) { + features |= flag; + btrfs_set_super_incompat_flags(disk_super, features); + btrfs_info(fs_info, + "setting incompat feature flag for %s (0x%llx)", + name, flag); + } + spin_unlock(&fs_info->super_lock); + } +} + +#define btrfs_clear_fs_incompat(__fs_info, opt) \ + __btrfs_clear_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, \ + #opt) + +static inline void __btrfs_clear_fs_incompat(struct btrfs_fs_info *fs_info, + u64 flag, const char* name) +{ + struct btrfs_super_block *disk_super; + u64 features; + + disk_super = fs_info->super_copy; + features = btrfs_super_incompat_flags(disk_super); + if (features & flag) { + spin_lock(&fs_info->super_lock); + features = btrfs_super_incompat_flags(disk_super); + if (features & flag) { + features &= ~flag; + btrfs_set_super_incompat_flags(disk_super, features); + btrfs_info(fs_info, + "clearing incompat feature flag for %s (0x%llx)", + name, flag); + } + spin_unlock(&fs_info->super_lock); + } +} + +#define btrfs_fs_incompat(fs_info, opt) \ + __btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt) + +static inline bool __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag) +{ + struct btrfs_super_block *disk_super; + disk_super = fs_info->super_copy; + return !!(btrfs_super_incompat_flags(disk_super) & flag); +} + +#define btrfs_set_fs_compat_ro(__fs_info, opt) \ + __btrfs_set_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, \ + #opt) + +static inline void __btrfs_set_fs_compat_ro(struct btrfs_fs_info *fs_info, + u64 flag, const char *name) +{ + struct btrfs_super_block *disk_super; + u64 features; + + disk_super = fs_info->super_copy; + features = btrfs_super_compat_ro_flags(disk_super); + if (!(features & flag)) { + spin_lock(&fs_info->super_lock); + features = btrfs_super_compat_ro_flags(disk_super); + if (!(features & flag)) { + features |= flag; + btrfs_set_super_compat_ro_flags(disk_super, features); + btrfs_info(fs_info, + "setting compat-ro feature flag for %s (0x%llx)", + name, flag); + } + spin_unlock(&fs_info->super_lock); + } +} + +#define btrfs_clear_fs_compat_ro(__fs_info, opt) \ + __btrfs_clear_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, \ + #opt) + +static inline void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, + u64 flag, const char *name) +{ + struct btrfs_super_block *disk_super; + u64 features; + + disk_super = fs_info->super_copy; + features = btrfs_super_compat_ro_flags(disk_super); + if (features & flag) { + spin_lock(&fs_info->super_lock); + features = btrfs_super_compat_ro_flags(disk_super); + if (features & flag) { + features &= ~flag; + btrfs_set_super_compat_ro_flags(disk_super, features); + btrfs_info(fs_info, + "clearing compat-ro feature flag for %s (0x%llx)", + name, flag); + } + spin_unlock(&fs_info->super_lock); + } +} + +#define btrfs_fs_compat_ro(fs_info, opt) \ + __btrfs_fs_compat_ro((fs_info), BTRFS_FEATURE_COMPAT_RO_##opt) + +static inline int __btrfs_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag) +{ + struct btrfs_super_block *disk_super; + disk_super = fs_info->super_copy; + return !!(btrfs_super_compat_ro_flags(disk_super) & flag); +} + +static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) +{ + /* + * Do it this way so we only ever do one test_bit in the normal case. + */ + if (test_bit(BTRFS_FS_CLOSING_START, &fs_info->flags)) { + if (test_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags)) + return 2; + return 1; + } + return 0; +} + +/* + * If we remount the fs to be R/O or umount the fs, the cleaner needn't do + * anything except sleeping. This function is used to check the status of + * the fs. + * We check for BTRFS_FS_STATE_RO to avoid races with a concurrent remount, + * since setting and checking for SB_RDONLY in the superblock's flags is not + * atomic. + */ +static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info) +{ + return test_bit(BTRFS_FS_STATE_RO, &fs_info->fs_state) || + btrfs_fs_closing(fs_info); +} + +static inline void btrfs_set_sb_rdonly(struct super_block *sb) +{ + sb->s_flags |= SB_RDONLY; + set_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); +} + +static inline void btrfs_clear_sb_rdonly(struct super_block *sb) +{ + sb->s_flags &= ~SB_RDONLY; + clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); +} +#endif /* BTRFS_FS_H */ diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4bdca28b3c35..c9e0ebcad0ef 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -55,6 +55,7 @@ #include "zoned.h" #include "subpage.h" #include "inode-item.h" +#include "fs.h" struct btrfs_iget_args { u64 ino; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index d5dd8bed1488..e8b5dc147637 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -50,6 +50,7 @@ #include "delalloc-space.h" #include "block-group.h" #include "subpage.h" +#include "fs.h" #ifdef CONFIG_64BIT /* If we have a 32-bit userspace and 64-bit kernel, then the UAPI diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c index 07f62e3ba6a5..ef17014221e2 100644 --- a/fs/btrfs/props.c +++ b/fs/btrfs/props.c @@ -11,6 +11,7 @@ #include "xattr.h" #include "compression.h" #include "space-info.h" +#include "fs.h" #define BTRFS_PROP_HANDLERS_HT_BITS 8 static DEFINE_HASHTABLE(prop_handlers_ht, BTRFS_PROP_HANDLERS_HT_BITS); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 9334c3157c22..041e4b368ea8 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -24,6 +24,7 @@ #include "block-group.h" #include "sysfs.h" #include "tree-mod-log.h" +#include "fs.h" /* * Helpers to access qgroup reservation diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 748c171a9488..9fc6c7ce7c42 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -28,6 +28,7 @@ #include "zoned.h" #include "inode-item.h" #include "space-info.h" +#include "fs.h" /* * Relocation overview diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 9e3b2e60e571..bd8e4d8b4cce 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -21,6 +21,7 @@ #include "raid56.h" #include "block-group.h" #include "zoned.h" +#include "fs.h" /* * This is only the first step towards a full-features scrub. It reads all diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index f171bf875633..024e033883d0 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -10,6 +10,7 @@ #include "transaction.h" #include "block-group.h" #include "zoned.h" +#include "fs.h" /* * HOW DOES SPACE RESERVATION WORK diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 46a11d5d7213..ebd59dc448dd 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -50,6 +50,7 @@ #include "qgroup.h" #include "raid56.h" #include "space-info.h" +#include "fs.h" #define CREATE_TRACE_POINTS #include <trace/events/btrfs.h> diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index ae7d4aca771d..bae77fb05e2b 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -23,6 +23,7 @@ #include "block-group.h" #include "space-info.h" #include "zoned.h" +#include "fs.h" static struct kmem_cache *btrfs_trans_handle_cachep; diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 43f905ab0a18..862d67798de5 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -25,6 +25,7 @@ #include "volumes.h" #include "misc.h" #include "btrfs_inode.h" +#include "fs.h" /* * Error message should follow the following format: diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 813986e38258..e911139fd2d3 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -21,6 +21,7 @@ #include "space-info.h" #include "zoned.h" #include "inode-item.h" +#include "fs.h" #define MAX_CONFLICT_INODES 10 diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index b458452a1aaf..2d7eb290fb9c 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -9,6 +9,7 @@ #include "transaction.h" #include "disk-io.h" #include "print-tree.h" +#include "fs.h" static void btrfs_uuid_to_key(u8 *uuid, u8 type, struct btrfs_key *key) diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c index ee00e33c309e..ab0b39badbbe 100644 --- a/fs/btrfs/verity.c +++ b/fs/btrfs/verity.c @@ -15,6 +15,7 @@ #include "transaction.h" #include "disk-io.h" #include "locking.h" +#include "fs.h" /* * Implementation of the interface defined in struct fsverity_operations. diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b4de4d5ed69f..1938fbf49507 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -33,6 +33,7 @@ #include "block-group.h" #include "discard.h" #include "zoned.h" +#include "fs.h" static struct bio_set btrfs_bioset; diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index e2d073b08a7d..19b533a5766d 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -15,6 +15,7 @@ #include "transaction.h" #include "dev-replace.h" #include "space-info.h" +#include "fs.h" /* Maximum number of zones to report per blkdev_report_zones() call */ #define BTRFS_REPORT_NR_ZONES 4096

[v2,01/16] btrfs: move fs wide helpers out of ctree.h

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