diff options
| author | Chao Yu <yuchao0@huawei.com> | 2020-06-29 20:13:13 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-07-07 21:51:46 -0700 |
| commit | dd5a09bd05ae57a5df29dbeea84783081d47bdd1 (patch) | |
| tree | 98ec5de1b1e5501180df226ad3c7d2818c796a07 | |
| parent | b79b0a310bca6dbe86d8adc1ca6a88e818bc1f19 (diff) | |
| download | linux-dd5a09bd05ae57a5df29dbeea84783081d47bdd1.tar.bz2 | |
f2fs: support to trace f2fs_fiemap()
to show f2fs_fiemap()'s result as below:
f2fs_fiemap: dev = (251,0), ino = 7, lblock:0, pblock:1625292800, len:2097152, flags:0, ret:0
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/data.c | 6 | ||||
| -rw-r--r-- | fs/f2fs/inline.c | 2 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 37 |
3 files changed, 44 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index c07a50e4d967..995cf78b23c5 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1813,6 +1813,7 @@ static int f2fs_xattr_fiemap(struct inode *inode, flags |= FIEMAP_EXTENT_LAST; err = fiemap_fill_next_extent(fieinfo, 0, phys, len, flags); + trace_f2fs_fiemap(inode, 0, phys, len, flags, err); if (err || err == 1) return err; } @@ -1836,8 +1837,10 @@ static int f2fs_xattr_fiemap(struct inode *inode, flags = FIEMAP_EXTENT_LAST; } - if (phys) + if (phys) { err = fiemap_fill_next_extent(fieinfo, 0, phys, len, flags); + trace_f2fs_fiemap(inode, 0, phys, len, flags, err); + } return (err < 0 ? err : 0); } @@ -1931,6 +1934,7 @@ next: ret = fiemap_fill_next_extent(fieinfo, logical, phys, size, flags); + trace_f2fs_fiemap(inode, logical, phys, size, flags, ret); if (ret) goto out; size = 0; diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index dbade310dc79..def4b8481883 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -12,6 +12,7 @@ #include "f2fs.h" #include "node.h" +#include <trace/events/f2fs.h> bool f2fs_may_inline_data(struct inode *inode) { @@ -776,6 +777,7 @@ int f2fs_inline_data_fiemap(struct inode *inode, byteaddr += (char *)inline_data_addr(inode, ipage) - (char *)F2FS_INODE(ipage); err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags); + trace_f2fs_fiemap(inode, start, byteaddr, ilen, flags, err); out: f2fs_put_page(ipage, 1); return err; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 2e8713a52d76..8a1c1311acac 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -1917,6 +1917,43 @@ TRACE_EVENT(f2fs_bmap, (unsigned long long)__entry->pblock) ); +TRACE_EVENT(f2fs_fiemap, + + TP_PROTO(struct inode *inode, sector_t lblock, sector_t pblock, + unsigned long long len, unsigned int flags, int ret), + + TP_ARGS(inode, lblock, pblock, len, flags, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __field(sector_t, lblock) + __field(sector_t, pblock) + __field(unsigned long long, len) + __field(unsigned int, flags) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->lblock = lblock; + __entry->pblock = pblock; + __entry->len = len; + __entry->flags = flags; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, lblock:%lld, pblock:%lld, " + "len:%llu, flags:%u, ret:%d", + show_dev_ino(__entry), + (unsigned long long)__entry->lblock, + (unsigned long long)__entry->pblock, + __entry->len, + __entry->flags, + __entry->ret) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ |