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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 09:07:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 09:07:36 -0800
commit09cb6464fe5e7fcd5177911429badd139c4481b7 (patch)
tree5f7af2d0778f699053da6ed2e43662fff2d51e73 /include
parent19d37ce2a7159ee30bd59d14fe5fe13c932bd5b7 (diff)
parentc0ed4405a99ec9be2a0f062eaafc002d8d26c99f (diff)
downloadlinux-09cb6464fe5e7fcd5177911429badd139c4481b7.tar.bz2
Merge tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim: "This patch series contains several performance tuning patches regarding to the IO submission flow, in addition to supporting new features such as a ZBC-base drive and multiple devices. It also includes some major bug fixes such as: - checkpoint version control - fdatasync-related roll-forward recovery routine - memory boundary or null-pointer access in corner cases - missing error cases It has various minor clean-up patches as well" * tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (66 commits) f2fs: fix a missing size change in f2fs_setattr f2fs: fix to access nullified flush_cmd_control pointer f2fs: free meta pages if sanity check for ckpt is failed f2fs: detect wrong layout f2fs: call sync_fs when f2fs is idle Revert "f2fs: use percpu_counter for # of dirty pages in inode" f2fs: return AOP_WRITEPAGE_ACTIVATE for writepage f2fs: do not activate auto_recovery for fallocated i_size f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack f2fs: fix 32-bit build f2fs: set ->owner for debugfs status file's file_operations f2fs: fix incorrect free inode count in ->statfs f2fs: drop duplicate header timer.h f2fs: fix wrong AUTO_RECOVER condition f2fs: do not recover i_size if it's valid f2fs: fix fdatasync f2fs: fix to account total free nid correctly f2fs: fix an infinite loop when flush nodes in cp f2fs: don't wait writeback for datas during checkpoint f2fs: fix wrong written_valid_blocks counting ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/f2fs_fs.h10
-rw-r--r--include/trace/events/f2fs.h21
2 files changed, 30 insertions, 1 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 422630b8e588..cea41a124a80 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -52,10 +52,17 @@
#define VERSION_LEN 256
#define MAX_VOLUME_NAME 512
+#define MAX_PATH_LEN 64
+#define MAX_DEVICES 8
/*
* For superblock
*/
+struct f2fs_device {
+ __u8 path[MAX_PATH_LEN];
+ __le32 total_segments;
+} __packed;
+
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@@ -94,7 +101,8 @@ struct f2fs_super_block {
__le32 feature; /* defined features */
__u8 encryption_level; /* versioning level for encryption */
__u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
- __u8 reserved[871]; /* valid reserved region */
+ struct f2fs_device devs[MAX_DEVICES]; /* device list */
+ __u8 reserved[327]; /* valid reserved region */
} __packed;
/*
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 5da2c829a718..01b3c9869a0d 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1111,6 +1111,27 @@ TRACE_EVENT(f2fs_issue_discard,
(unsigned long long)__entry->blklen)
);
+TRACE_EVENT(f2fs_issue_reset_zone,
+
+ TP_PROTO(struct super_block *sb, block_t blkstart),
+
+ TP_ARGS(sb, blkstart),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(block_t, blkstart)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->blkstart = blkstart;
+ ),
+
+ TP_printk("dev = (%d,%d), reset zone at block = 0x%llx",
+ show_dev(__entry),
+ (unsigned long long)__entry->blkstart)
+);
+
TRACE_EVENT(f2fs_issue_flush,
TP_PROTO(struct super_block *sb, unsigned int nobarrier,