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| author | Christoph Hellwig <hch@infradead.org> | 2011-01-07 13:02:04 +0000 |
|---|---|---|
| committer | Alex Elder <aelder@sgi.com> | 2011-01-11 20:28:29 -0600 |
| commit | a46db60834883c1c8c665d7fcc7b4ab66f5966fc (patch) | |
| tree | 962f134a2c7f771cdafdae4ff6caa9e36693dce5 /fs/xfs/linux-2.6/xfs_trace.h | |
| parent | c58efdb442bb49dea1d148f207560c41918c1bf4 (diff) | |
| download | kernel_samsung_smdk4412-a46db60834883c1c8c665d7fcc7b4ab66f5966fc.zip kernel_samsung_smdk4412-a46db60834883c1c8c665d7fcc7b4ab66f5966fc.tar.gz kernel_samsung_smdk4412-a46db60834883c1c8c665d7fcc7b4ab66f5966fc.tar.bz2 | |
xfs: add FITRIM support
Allow manual discards from userspace using the FITRIM ioctl. This is not
intended to be run during normal workloads, as the freepsace btree walks
can cause large performance degradation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_trace.h')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_trace.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h index 647af2a..2d0bcb4 100644 --- a/fs/xfs/linux-2.6/xfs_trace.h +++ b/fs/xfs/linux-2.6/xfs_trace.h @@ -1759,6 +1759,39 @@ DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_recover); DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_cancel); DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_skip); +DECLARE_EVENT_CLASS(xfs_discard_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t len), + TP_ARGS(mp, agno, agbno, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->agbno = agbno; + __entry->len = len; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->agbno, + __entry->len) +) + +#define DEFINE_DISCARD_EVENT(name) \ +DEFINE_EVENT(xfs_discard_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + xfs_agblock_t agbno, xfs_extlen_t len), \ + TP_ARGS(mp, agno, agbno, len)) +DEFINE_DISCARD_EVENT(xfs_discard_extent); +DEFINE_DISCARD_EVENT(xfs_discard_toosmall); +DEFINE_DISCARD_EVENT(xfs_discard_exclude); +DEFINE_DISCARD_EVENT(xfs_discard_busy); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH |