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| author | Theodore Ts'o <tytso@mit.edu> | 2013-02-08 19:00:22 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-02-08 19:00:22 +0100 |
| commit | 343d9c283c9847da043fda3e76e3197f27b667dd (patch) | |
| tree | 6c37b7cd1d9eeb711fa1aeffee1930e446c406f8 /include/trace/ftrace.h | |
| parent | jbd2: revert "jbd2: add COW fields to struct jbd2_journal_handle" (diff) | |
| download | linux-343d9c283c9847da043fda3e76e3197f27b667dd.tar.xz linux-343d9c283c9847da043fda3e76e3197f27b667dd.zip | |
jbd2: add tracepoints which provide per-handle statistics
Handles which stay open a long time are problematic when it comes time
to close down a transaction so it can be committed. These tracepoints
will help us determine which ones are the problematic ones, and to
validate whether changes makes things better or worse.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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