fiemap add a physical size

Documentation/filesystems/fiemap.rst

@@ -80,14 +80,24 @@ Each extent is described by a single fiemap_extent structure as
 returned in fm_extents::
 
     struct fiemap_extent {
-	    __u64	fe_logical;  /* logical offset in bytes for the start of
-				* the extent */
-	    __u64	fe_physical; /* physical offset in bytes for the start
-				* of the extent */
-	    __u64	fe_length;   /* length in bytes for the extent */
-	    __u64	fe_reserved64[2];
-	    __u32	fe_flags;    /* FIEMAP_EXTENT_* flags for this extent */
-	    __u32	fe_reserved[3];
+            /*
+             * logical offset in bytes for the start of
+             * the extent from the beginning of the file
+             */
+            __u64 fe_logical;
+            /*
+             * physical offset in bytes for the start
+             * of the extent from the beginning of the disk
+             */
+            __u64 fe_physical;
+            /* length in bytes for this extent */
+            __u64 fe_length;
+            /* physical length in bytes for this extent */
+            __u64 fe_physical_length;
+            __u64 fe_reserved64[1];
+            /* FIEMAP_EXTENT_* flags for this extent */
+            __u32 fe_flags;
+            __u32 fe_reserved[3];
     };
 
 All offsets and lengths are in bytes and mirror those on disk.  It is valid
@@ -224,7 +234,8 @@ For each extent in the request range, the file system should call
 the helper function, fiemap_fill_next_extent()::
 
   int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
-			      u64 phys, u64 len, u32 flags, u32 dev);
+			      u64 phys, u64 log_len, u64 phys_len, u32 flags,
+                              u32 dev);
 
 fiemap_fill_next_extent() will use the passed values to populate the
 next free extent in the fm_extents array. 'General' extent flags will

fs/bcachefs/fs.c

@@ -859,7 +859,9 @@ static int bch2_fill_extent(struct bch_fs *c,
 			ret = fiemap_fill_next_extent(info,
 						bkey_start_offset(k.k) << 9,
 						offset << 9,
-						k.k->size << 9, flags|flags2);
+						k.k->size << 9,
+						k.k->size << 9,
+						flags|flags2);
 			if (ret)
 				return ret;
 		}
@@ -869,12 +871,14 @@ static int bch2_fill_extent(struct bch_fs *c,
 		return fiemap_fill_next_extent(info,
 					       bkey_start_offset(k.k) << 9,
 					       0, k.k->size << 9,
+					       k.k->size << 9,
 					       flags|
 					       FIEMAP_EXTENT_DATA_INLINE);
 	} else if (k.k->type == KEY_TYPE_reservation) {
 		return fiemap_fill_next_extent(info,
 					       bkey_start_offset(k.k) << 9,
 					       0, k.k->size << 9,
+					       k.k->size << 9,
 					       flags|
 					       FIEMAP_EXTENT_DELALLOC|
 					       FIEMAP_EXTENT_UNWRITTEN);

fs/btrfs/Kconfig

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+# misc-next marker
 
 config BTRFS_FS
 	tristate "Btrfs filesystem support"

fs/btrfs/accessors.c

@@ -5,7 +5,8 @@
 
 #include <asm/unaligned.h>
 #include "messages.h"
-#include "ctree.h"
+#include "extent_io.h"
+#include "fs.h"
 #include "accessors.h"
 
 static bool check_setget_bounds(const struct extent_buffer *eb,
@@ -63,8 +64,8 @@ u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
 	const unsigned long idx = get_eb_folio_index(token->eb, member_offset); \
 	const unsigned long oil = get_eb_offset_in_folio(token->eb,	\
 							 member_offset);\
-	const int unit_size = folio_size(token->eb->folios[0]);		\
-	const int unit_shift = folio_shift(token->eb->folios[0]);	\
+	const int unit_size = token->eb->folio_size;			\
+	const int unit_shift = token->eb->folio_shift;			\
 	const int size = sizeof(u##bits);				\
 	u8 lebytes[sizeof(u##bits)];					\
 	const int part = unit_size - oil;				\
@@ -94,7 +95,7 @@ u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
 	const unsigned long idx = get_eb_folio_index(eb, member_offset);\
 	const unsigned long oil = get_eb_offset_in_folio(eb,		\
 							 member_offset);\
-	const int unit_size = folio_size(eb->folios[0]);		\
+	const int unit_size = eb->folio_size;				\
 	char *kaddr = folio_address(eb->folios[idx]);			\
 	const int size = sizeof(u##bits);				\
 	const int part = unit_size - oil;				\
@@ -117,8 +118,8 @@ void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
 	const unsigned long idx = get_eb_folio_index(token->eb, member_offset); \
 	const unsigned long oil = get_eb_offset_in_folio(token->eb,	\
 							 member_offset);\
-	const int unit_size = folio_size(token->eb->folios[0]);		\
-	const int unit_shift = folio_shift(token->eb->folios[0]);	\
+	const int unit_size = token->eb->folio_size;			\
+	const int unit_shift = token->eb->folio_shift;			\
 	const int size = sizeof(u##bits);				\
 	u8 lebytes[sizeof(u##bits)];					\
 	const int part = unit_size - oil;				\
@@ -151,7 +152,7 @@ void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
 	const unsigned long idx = get_eb_folio_index(eb, member_offset);\
 	const unsigned long oil = get_eb_offset_in_folio(eb,		\
 							 member_offset);\
-	const int unit_size = folio_size(eb->folios[0]);		\
+	const int unit_size = eb->folio_size;				\
 	char *kaddr = folio_address(eb->folios[idx]);			\
 	const int size = sizeof(u##bits);				\
 	const int part = unit_size - oil;				\

fs/btrfs/accessors.h

@@ -3,8 +3,17 @@
 #ifndef BTRFS_ACCESSORS_H
 #define BTRFS_ACCESSORS_H
 
-#include <linux/stddef.h>
 #include <asm/unaligned.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+#include <linux/align.h>
+#include <linux/build_bug.h>
+#include <linux/compiler.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <uapi/linux/btrfs_tree.h>
+
+struct extent_buffer;
 
 struct btrfs_map_token {
 	struct extent_buffer *eb;
@@ -844,45 +853,6 @@ static inline void btrfs_set_balance_sys(struct extent_buffer *eb,
 	write_eb_member(eb, bi, struct btrfs_balance_item, sys, ba);
 }
 
-static inline void btrfs_disk_balance_args_to_cpu(struct btrfs_balance_args *cpu,
-			       const struct btrfs_disk_balance_args *disk)
-{
-	memset(cpu, 0, sizeof(*cpu));
-
-	cpu->profiles = le64_to_cpu(disk->profiles);
-	cpu->usage = le64_to_cpu(disk->usage);
-	cpu->devid = le64_to_cpu(disk->devid);
-	cpu->pstart = le64_to_cpu(disk->pstart);
-	cpu->pend = le64_to_cpu(disk->pend);
-	cpu->vstart = le64_to_cpu(disk->vstart);
-	cpu->vend = le64_to_cpu(disk->vend);
-	cpu->target = le64_to_cpu(disk->target);
-	cpu->flags = le64_to_cpu(disk->flags);
-	cpu->limit = le64_to_cpu(disk->limit);
-	cpu->stripes_min = le32_to_cpu(disk->stripes_min);
-	cpu->stripes_max = le32_to_cpu(disk->stripes_max);
-}
-
-static inline void btrfs_cpu_balance_args_to_disk(
-				struct btrfs_disk_balance_args *disk,
-				const struct btrfs_balance_args *cpu)
-{
-	memset(disk, 0, sizeof(*disk));
-
-	disk->profiles = cpu_to_le64(cpu->profiles);
-	disk->usage = cpu_to_le64(cpu->usage);
-	disk->devid = cpu_to_le64(cpu->devid);
-	disk->pstart = cpu_to_le64(cpu->pstart);
-	disk->pend = cpu_to_le64(cpu->pend);
-	disk->vstart = cpu_to_le64(cpu->vstart);
-	disk->vend = cpu_to_le64(cpu->vend);
-	disk->target = cpu_to_le64(cpu->target);
-	disk->flags = cpu_to_le64(cpu->flags);
-	disk->limit = cpu_to_le64(cpu->limit);
-	disk->stripes_min = cpu_to_le32(cpu->stripes_min);
-	disk->stripes_max = cpu_to_le32(cpu->stripes_max);
-}
-
 /* struct btrfs_super_block */
 BTRFS_SETGET_STACK_FUNCS(super_bytenr, struct btrfs_super_block, bytenr, 64);
 BTRFS_SETGET_STACK_FUNCS(super_flags, struct btrfs_super_block, flags, 64);

fs/btrfs/acl.c

@@ -12,7 +12,6 @@
 #include <linux/sched/mm.h>
 #include <linux/slab.h>
 #include "ctree.h"
-#include "btrfs_inode.h"
 #include "xattr.h"
 #include "acl.h"
 

fs/btrfs/acl.h

@@ -3,8 +3,15 @@
 #ifndef BTRFS_ACL_H
 #define BTRFS_ACL_H
 
+struct posix_acl;
+struct inode;
+struct btrfs_trans_handle;
+
 #ifdef CONFIG_BTRFS_FS_POSIX_ACL
 
+struct mnt_idmap;
+struct dentry;
+
 struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu);
 int btrfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
 		  struct posix_acl *acl, int type);
@@ -13,6 +20,10 @@ int __btrfs_set_acl(struct btrfs_trans_handle *trans, struct inode *inode,
 
 #else
 
+#include <linux/errno.h>
+
+struct btrfs_trans_handle;
+
 #define btrfs_get_acl NULL
 #define btrfs_set_acl NULL
 static inline int __btrfs_set_acl(struct btrfs_trans_handle *trans,

fs/btrfs/async-thread.c

@@ -11,7 +11,6 @@
 #include <linux/freezer.h>
 #include <trace/events/btrfs.h>
 #include "async-thread.h"
-#include "ctree.h"
 
 enum {
 	WORK_DONE_BIT,

fs/btrfs/async-thread.h

@@ -7,11 +7,14 @@
 #ifndef BTRFS_ASYNC_THREAD_H
 #define BTRFS_ASYNC_THREAD_H
 
+#include <linux/compiler_types.h>
 #include <linux/workqueue.h>
+#include <linux/list.h>
 
 struct btrfs_fs_info;
 struct btrfs_workqueue;
 struct btrfs_work;
+
 typedef void (*btrfs_func_t)(struct btrfs_work *arg);
 typedef void (*btrfs_ordered_func_t)(struct btrfs_work *arg, bool);