diff options
Diffstat (limited to 'xlators/performance/md-cache')
| -rw-r--r-- | xlators/performance/md-cache/src/md-cache.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/xlators/performance/md-cache/src/md-cache.c b/xlators/performance/md-cache/src/md-cache.c index 9acffba2a..cf1aee9d6 100644 --- a/xlators/performance/md-cache/src/md-cache.c +++ b/xlators/performance/md-cache/src/md-cache.c @@ -378,7 +378,8 @@ mdc_to_iatt (struct md_cache *mdc, struct iatt *iatt) int -mdc_inode_iatt_set (xlator_t *this, inode_t *inode, struct iatt *iatt) +mdc_inode_iatt_set_validate(xlator_t *this, inode_t *inode, struct iatt *prebuf, + struct iatt *iatt) { int ret = -1; struct md_cache *mdc = NULL; @@ -394,6 +395,19 @@ mdc_inode_iatt_set (xlator_t *this, inode_t *inode, struct iatt *iatt) goto unlock; } + /* + * Invalidate the inode if the mtime or ctime has changed + * and the prebuf doesn't match the value we have cached. + * TODO: writev returns with a NULL iatt due to + * performance/write-behind, causing invalidation on writes. + */ + if (IA_ISREG(inode->ia_type) && + ((iatt->ia_mtime != mdc->md_mtime) || + (iatt->ia_ctime != mdc->md_ctime))) + if (!prebuf || (prebuf->ia_ctime != mdc->md_ctime) || + (prebuf->ia_mtime != mdc->md_mtime)) + inode_invalidate(inode); + mdc_from_iatt (mdc, iatt); time (&mdc->ia_time); @@ -405,6 +419,10 @@ out: return ret; } +int mdc_inode_iatt_set(xlator_t *this, inode_t *inode, struct iatt *iatt) +{ + return mdc_inode_iatt_set_validate(this, inode, NULL, iatt); +} int mdc_inode_iatt_get (xlator_t *this, inode_t *inode, struct iatt *iatt) @@ -859,7 +877,7 @@ mdc_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->loc.inode, postbuf); + mdc_inode_iatt_set_validate(this, local->loc.inode, prebuf, postbuf); out: MDC_STACK_UNWIND (truncate, frame, op_ret, op_errno, prebuf, postbuf, @@ -901,7 +919,7 @@ mdc_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->fd->inode, postbuf); + mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf); out: MDC_STACK_UNWIND (ftruncate, frame, op_ret, op_errno, prebuf, postbuf, @@ -1377,7 +1395,7 @@ mdc_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->fd->inode, postbuf); + mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf); out: MDC_STACK_UNWIND (writev, frame, op_ret, op_errno, prebuf, postbuf, @@ -1422,7 +1440,7 @@ mdc_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->loc.inode, postbuf); + mdc_inode_iatt_set_validate(this, local->loc.inode, prebuf, postbuf); out: MDC_STACK_UNWIND (setattr, frame, op_ret, op_errno, prebuf, postbuf, @@ -1464,7 +1482,7 @@ mdc_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->fd->inode, postbuf); + mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf); out: MDC_STACK_UNWIND (fsetattr, frame, op_ret, op_errno, prebuf, postbuf, @@ -1506,7 +1524,7 @@ mdc_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!local) goto out; - mdc_inode_iatt_set (this, local->fd->inode, postbuf); + mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf); out: MDC_STACK_UNWIND (fsync, frame, op_ret, op_errno, prebuf, postbuf, |