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| author | Theodore Ts'o <tytso@mit.edu> | 2010-01-01 01:00:21 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-01-01 01:00:21 -0500 |
| commit | f8ec9d6837241865cf99bed97bb99f4399fd5a03 (patch) | |
| tree | f1198366ae4c9c2db3c8869813f061ee85d3b243 /fs/ext4/inode.c | |
| parent | 71f2be213a0009098819e5c04f75ff19f84f2122 (diff) | |
| download | blackbird-obmc-linux-f8ec9d6837241865cf99bed97bb99f4399fd5a03.tar.gz blackbird-obmc-linux-f8ec9d6837241865cf99bed97bb99f4399fd5a03.zip | |
ext4: Add new tracepoints to debug delayed allocation space functions
Add tracepoints for ext4_da_reserve_space(),
ext4_da_update_reserve_space(), and ext4_da_release_space().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 3e8afd969236..1a3d7b232cd7 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1061,6 +1061,7 @@ void ext4_da_update_reserve_space(struct inode *inode, int mdb_free = 0, allocated_meta_blocks = 0; spin_lock(&ei->i_block_reservation_lock); + trace_ext4_da_update_reserve_space(inode, used); if (unlikely(used > ei->i_reserved_data_blocks)) { ext4_msg(inode->i_sb, KERN_NOTICE, "%s: ino %lu, used %d " "with only %d reserved data blocks\n", @@ -1846,6 +1847,7 @@ repeat: spin_lock(&ei->i_block_reservation_lock); md_reserved = ei->i_reserved_meta_blocks; md_needed = ext4_calc_metadata_amount(inode, lblock); + trace_ext4_da_reserve_space(inode, md_needed); spin_unlock(&ei->i_block_reservation_lock); /* |
