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f2fs: add a tracepoint for f2fs_write_begin

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This patch adds a tracepoint for f2fs_write_begin to trace write op of user.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu
2014-05-06 16:46:04 +08:00
committed by Jaegeuk Kim
parent 8b376249e7
commit 62aed044ea
2 changed files with 32 additions and 0 deletions
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fs/f2fs/data.c
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@@ -900,6 +900,8 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
struct dnode_of_data dn;
int err = 0;
trace_f2fs_write_begin(inode, pos, len, flags);
f2fs_balance_fs(sbi);
repeat:
err = f2fs_convert_inline_data(inode, pos + len);