diff options
author | Chao Yu <chao@kernel.org> | 2023-11-28 12:31:29 +0300 |
---|---|---|
committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-11-28 21:52:44 +0300 |
commit | 5f23ffdf17e805218e56a9796bdc67497ab11bac (patch) | |
tree | e1fbb1900a70ab6e2c912aceffb5e248f207d782 | |
parent | 53edb549565f55ccd0bdf43be3d66ce4c2d48b28 (diff) | |
download | linux-5f23ffdf17e805218e56a9796bdc67497ab11bac.tar.xz |
f2fs: introduce tracepoint for f2fs_rename()
This patch adds tracepoints for f2fs_rename().
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r-- | fs/f2fs/namei.c | 16 | ||||
-rw-r--r-- | include/trace/events/f2fs.h | 69 |
2 files changed, 80 insertions, 5 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index a765db9e26c2..ede6afb81762 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -1315,21 +1315,27 @@ static int f2fs_rename2(struct mnt_idmap *idmap, if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) return -EINVAL; + trace_f2fs_rename_start(old_dir, old_dentry, new_dir, new_dentry, + flags); + err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry, flags); if (err) return err; - if (flags & RENAME_EXCHANGE) { - return f2fs_cross_rename(old_dir, old_dentry, - new_dir, new_dentry); - } + if (flags & RENAME_EXCHANGE) + err = f2fs_cross_rename(old_dir, old_dentry, + new_dir, new_dentry); + else /* * VFS has already handled the new dentry existence case, * here, we just deal with "RENAME_NOREPLACE" as regular rename. */ - return f2fs_rename(idmap, old_dir, old_dentry, + err = f2fs_rename(idmap, old_dir, old_dentry, new_dir, new_dentry, flags); + + trace_f2fs_rename_end(old_dentry, new_dentry, flags, err); + return err; } static const char *f2fs_encrypted_get_link(struct dentry *dentry, diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 793f82cc1515..36d9e29ca3c5 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -866,6 +866,75 @@ TRACE_EVENT(f2fs_lookup_end, __entry->err) ); +TRACE_EVENT(f2fs_rename_start, + + TP_PROTO(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags), + + TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, flags), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __string(old_name, old_dentry->d_name.name) + __field(ino_t, new_pino) + __string(new_name, new_dentry->d_name.name) + __field(unsigned int, flags) + ), + + TP_fast_assign( + __entry->dev = old_dir->i_sb->s_dev; + __entry->ino = old_dir->i_ino; + __assign_str(old_name, old_dentry->d_name.name); + __entry->new_pino = new_dir->i_ino; + __assign_str(new_name, new_dentry->d_name.name); + __entry->flags = flags; + ), + + TP_printk("dev = (%d,%d), old_dir = %lu, old_name: %s, " + "new_dir = %lu, new_name: %s, flags = %u", + show_dev_ino(__entry), + __get_str(old_name), + __entry->new_pino, + __get_str(new_name), + __entry->flags) +); + +TRACE_EVENT(f2fs_rename_end, + + TP_PROTO(struct dentry *old_dentry, struct dentry *new_dentry, + unsigned int flags, int ret), + + TP_ARGS(old_dentry, new_dentry, flags, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, ino) + __string(old_name, old_dentry->d_name.name) + __string(new_name, new_dentry->d_name.name) + __field(unsigned int, flags) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = old_dentry->d_sb->s_dev; + __entry->ino = old_dentry->d_inode->i_ino; + __assign_str(old_name, old_dentry->d_name.name); + __assign_str(new_name, new_dentry->d_name.name); + __entry->flags = flags; + __entry->ret = ret; + ), + + TP_printk("dev = (%d,%d), ino = %lu, old_name: %s, " + "new_name: %s, flags = %u, ret = %d", + show_dev_ino(__entry), + __get_str(old_name), + __get_str(new_name), + __entry->flags, + __entry->ret) +); + TRACE_EVENT(f2fs_readdir, TP_PROTO(struct inode *dir, loff_t start_pos, loff_t end_pos, int err), |