From: Josef Bacik Date: Wed, 19 Oct 2022 14:50:47 +0000 (-0400) Subject: btrfs: move fs wide helpers out of ctree.h X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c7f13d428ea1bfe883f2741a9b5a5352d595eb09;p=linux.git btrfs: move fs wide helpers out of ctree.h We have several fs wide related helpers in ctree.h. The bulk of these are the incompat flag test helpers, but there are things such as btrfs_fs_closing() and the read only helpers that also aren't directly related to the ctree code. Move these into a fs.h header, which will serve as the location for file system wide related helpers. Reviewed-by: Johannes Thumshirn Reviewed-by: Anand Jain Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile index fa9ddcc9eb0bc..eebb45c064852 100644 --- a/fs/btrfs/Makefile +++ b/fs/btrfs/Makefile @@ -31,7 +31,7 @@ btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \ backref.o ulist.o qgroup.o send.o dev-replace.o raid56.o \ uuid-tree.o props.o free-space-tree.o tree-checker.o space-info.o \ block-rsv.o delalloc-space.o block-group.o discard.o reflink.o \ - subpage.o tree-mod-log.o extent-io-tree.o + subpage.o tree-mod-log.o extent-io-tree.o fs.o btrfs-$(CONFIG_BTRFS_FS_POSIX_ACL) += acl.o btrfs-$(CONFIG_BTRFS_FS_CHECK_INTEGRITY) += check-integrity.o diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 232f49415ab93..f76db317c4372 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 arbitrary numbers so we can be sure one of these happened. */ #define BACKREF_FOUND_SHARED 6 diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 47461fd219753..bf8d1e1101367 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 3485f60efa330..1b2a1dcb60dda 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2857,44 +2857,6 @@ 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, @@ -3529,132 +3491,6 @@ 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 cf59d8f14a056..5e20b191b1080 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 2801c991814f5..bc010dbcb6b1c 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 6bb9fa961a6a1..824ff54d8155e 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 19b41b5fe6c0c..a352c7cacc992 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 367bcfcf68f51..bfc21eb8ec63b 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.c b/fs/btrfs/fs.c new file mode 100644 index 0000000000000..d4ba948eba56a --- /dev/null +++ b/fs/btrfs/fs.c @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include "ctree.h" +#include "fs.h" + +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); + } +} + +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); + } +} + +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); + } +} + +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); + } +} diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h new file mode 100644 index 0000000000000..8eda9ce0a904a --- /dev/null +++ b/fs/btrfs/fs.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef BTRFS_FS_H +#define BTRFS_FS_H + +/* Compatibility and incompatibility defines */ +void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag, + const char *name); +void __btrfs_clear_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag, + const char *name); +void __btrfs_set_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag, + const char *name); +void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag, + const char *name); + +#define btrfs_set_fs_incompat(__fs_info, opt) \ + __btrfs_set_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, #opt) + +#define btrfs_clear_fs_incompat(__fs_info, opt) \ + __btrfs_clear_fs_incompat((__fs_info), BTRFS_FEATURE_INCOMPAT_##opt, #opt) + +#define btrfs_fs_incompat(fs_info, opt) \ + __btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt) + +#define btrfs_set_fs_compat_ro(__fs_info, opt) \ + __btrfs_set_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, #opt) + +#define btrfs_clear_fs_compat_ro(__fs_info, opt) \ + __btrfs_clear_fs_compat_ro((__fs_info), BTRFS_FEATURE_COMPAT_RO_##opt, #opt) + +#define btrfs_fs_compat_ro(fs_info, opt) \ + __btrfs_fs_compat_ro((fs_info), BTRFS_FEATURE_COMPAT_RO_##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); +} + +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 diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 50584b93a66f9..60b3162c035d0 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 a482739c1d82e..564a4ae9c285b 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 e04289347775f..d2c699c9aa512 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 b74105a10f16c..e87a2f066f4dd 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 216a4485d9141..977afbb4cd45a 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 cdda4b2f20f28..6871c1c54f8c3 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 af2e133aaa5c0..af1538c2685d4 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 42e0d2fcc4073..ef646a1d9bc26 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -49,6 +49,7 @@ #include "discard.h" #include "qgroup.h" #include "raid56.h" +#include "fs.h" #define CREATE_TRACE_POINTS #include diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index ae7d4aca771d7..bae77fb05e2b6 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 43f905ab0a18d..862d67798de59 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 c3cf3dabe0b1b..e294c38f9b199 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 b458452a1aaf8..2d7eb290fb9ca 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 ee00e33c309e0..ab0b39badbbe3 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 796e9f5ff8f84..d65d5d7835fe9 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 c9e2b0c853099..2a7d856c232c3 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