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-rw-r--r--include/linux/blkdev.h5
-rw-r--r--include/linux/highmem-internal.h10
-rw-r--r--include/trace/events/btrfs.h158
-rw-r--r--include/uapi/linux/btrfs.h10
4 files changed, 177 insertions, 6 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d04bdf549efa..dccdf1551c62 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1167,6 +1167,11 @@ bdev_max_zone_append_sectors(struct block_device *bdev)
return queue_max_zone_append_sectors(bdev_get_queue(bdev));
}
+static inline unsigned int bdev_max_segments(struct block_device *bdev)
+{
+ return queue_max_segments(bdev_get_queue(bdev));
+}
+
static inline unsigned queue_logical_block_size(const struct request_queue *q)
{
int retval = 512;
diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h
index cddb42ff0473..034b1106d022 100644
--- a/include/linux/highmem-internal.h
+++ b/include/linux/highmem-internal.h
@@ -8,7 +8,7 @@
#ifdef CONFIG_KMAP_LOCAL
void *__kmap_local_pfn_prot(unsigned long pfn, pgprot_t prot);
void *__kmap_local_page_prot(struct page *page, pgprot_t prot);
-void kunmap_local_indexed(void *vaddr);
+void kunmap_local_indexed(const void *vaddr);
void kmap_local_fork(struct task_struct *tsk);
void __kmap_local_sched_out(void);
void __kmap_local_sched_in(void);
@@ -89,7 +89,7 @@ static inline void *kmap_local_pfn(unsigned long pfn)
return __kmap_local_pfn_prot(pfn, kmap_prot);
}
-static inline void __kunmap_local(void *vaddr)
+static inline void __kunmap_local(const void *vaddr)
{
kunmap_local_indexed(vaddr);
}
@@ -121,7 +121,7 @@ static inline void *kmap_atomic_pfn(unsigned long pfn)
return __kmap_local_pfn_prot(pfn, kmap_prot);
}
-static inline void __kunmap_atomic(void *addr)
+static inline void __kunmap_atomic(const void *addr)
{
kunmap_local_indexed(addr);
pagefault_enable();
@@ -197,7 +197,7 @@ static inline void *kmap_local_pfn(unsigned long pfn)
return kmap_local_page(pfn_to_page(pfn));
}
-static inline void __kunmap_local(void *addr)
+static inline void __kunmap_local(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
kunmap_flush_on_unmap(addr);
@@ -224,7 +224,7 @@ static inline void *kmap_atomic_pfn(unsigned long pfn)
return kmap_atomic(pfn_to_page(pfn));
}
-static inline void __kunmap_atomic(void *addr)
+static inline void __kunmap_atomic(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
kunmap_flush_on_unmap(addr);
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 9ae94ef3e270..73df80d462dc 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -30,6 +30,8 @@ struct btrfs_qgroup;
struct extent_io_tree;
struct prelim_ref;
struct btrfs_space_info;
+struct btrfs_raid_bio;
+struct raid56_bio_trace_info;
#define show_ref_type(type) \
__print_symbolic(type, \
@@ -596,6 +598,70 @@ DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
TP_ARGS(inode, ordered)
);
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_range,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_first_range,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_for_logging,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_lookup_first,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_split,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_dec_test_pending,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
+DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_mark_finished,
+
+ TP_PROTO(const struct btrfs_inode *inode,
+ const struct btrfs_ordered_extent *ordered),
+
+ TP_ARGS(inode, ordered)
+);
+
DECLARE_EVENT_CLASS(btrfs__writepage,
TP_PROTO(const struct page *page, const struct inode *inode,
@@ -2258,6 +2324,98 @@ DEFINE_EVENT(btrfs__space_info_update, update_bytes_pinned,
TP_ARGS(fs_info, sinfo, old, diff)
);
+DECLARE_EVENT_CLASS(btrfs_raid56_bio,
+
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, full_stripe )
+ __field( u64, physical )
+ __field( u64, devid )
+ __field( u32, offset )
+ __field( u32, len )
+ __field( u8, opf )
+ __field( u8, total_stripes )
+ __field( u8, real_stripes )
+ __field( u8, nr_data )
+ __field( u8, stripe_nr )
+ ),
+
+ TP_fast_assign_btrfs(rbio->bioc->fs_info,
+ __entry->full_stripe = rbio->bioc->raid_map[0];
+ __entry->physical = bio->bi_iter.bi_sector << SECTOR_SHIFT;
+ __entry->len = bio->bi_iter.bi_size;
+ __entry->opf = bio_op(bio);
+ __entry->devid = trace_info->devid;
+ __entry->offset = trace_info->offset;
+ __entry->stripe_nr = trace_info->stripe_nr;
+ __entry->total_stripes = rbio->bioc->num_stripes;
+ __entry->real_stripes = rbio->real_stripes;
+ __entry->nr_data = rbio->nr_data;
+ ),
+ /*
+ * For type output, we need to output things like "DATA1"
+ * (the first data stripe), "DATA2" (the second data stripe),
+ * "PQ1" (P stripe),"PQ2" (Q stripe), "REPLACE0" (replace target device).
+ */
+ TP_printk_btrfs(
+"full_stripe=%llu devid=%lld type=%s%d offset=%d opf=0x%x physical=%llu len=%u",
+ __entry->full_stripe, __entry->devid,
+ (__entry->stripe_nr < __entry->nr_data) ? "DATA" :
+ ((__entry->stripe_nr < __entry->real_stripes) ? "PQ" :
+ "REPLACE"),
+ (__entry->stripe_nr < __entry->nr_data) ?
+ (__entry->stripe_nr + 1) :
+ ((__entry->stripe_nr < __entry->real_stripes) ?
+ (__entry->stripe_nr - __entry->nr_data + 1) : 0),
+ __entry->offset, __entry->opf, __entry->physical, __entry->len)
+);
+
+DEFINE_EVENT(btrfs_raid56_bio, raid56_read_partial,
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info)
+);
+
+DEFINE_EVENT(btrfs_raid56_bio, raid56_write_stripe,
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info)
+);
+
+
+DEFINE_EVENT(btrfs_raid56_bio, raid56_scrub_write_stripe,
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info)
+);
+
+DEFINE_EVENT(btrfs_raid56_bio, raid56_scrub_read,
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info)
+);
+
+DEFINE_EVENT(btrfs_raid56_bio, raid56_scrub_read_recover,
+ TP_PROTO(const struct btrfs_raid_bio *rbio,
+ const struct bio *bio,
+ const struct raid56_bio_trace_info *trace_info),
+
+ TP_ARGS(rbio, bio, trace_info)
+);
+
#endif /* _TRACE_BTRFS_H */
/* This part must be outside protection */
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 3d0edbe3b991..7ada84e4a3ed 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -777,11 +777,19 @@ struct btrfs_ioctl_received_subvol_args {
*/
#define BTRFS_SEND_FLAG_VERSION 0x8
+/*
+ * Send compressed data using the ENCODED_WRITE command instead of decompressing
+ * the data and sending it with the WRITE command. This requires protocol
+ * version >= 2.
+ */
+#define BTRFS_SEND_FLAG_COMPRESSED 0x10
+
#define BTRFS_SEND_FLAG_MASK \
(BTRFS_SEND_FLAG_NO_FILE_DATA | \
BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
BTRFS_SEND_FLAG_OMIT_END_CMD | \
- BTRFS_SEND_FLAG_VERSION)
+ BTRFS_SEND_FLAG_VERSION | \
+ BTRFS_SEND_FLAG_COMPRESSED)
struct btrfs_ioctl_send_args {
__s64 send_fd; /* in */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.