diff options
| -rw-r--r-- | doc/stat-prefetch-design.txt | 6 | ||||
| -rw-r--r-- | xlators/performance/stat-prefetch/src/stat-prefetch.c | 37 |
2 files changed, 41 insertions, 2 deletions
diff --git a/doc/stat-prefetch-design.txt b/doc/stat-prefetch-design.txt index 12c13cc2..90992cf1 100644 --- a/doc/stat-prefetch-design.txt +++ b/doc/stat-prefetch-design.txt @@ -124,7 +124,11 @@ fops to be implemented: 2. remove entries corresponding to symbolic links from cache, since readlink would've changed st_atime. -* checksum/xattrop/fxattrop +* checksum + Delete the entry corresponding to basename from cache stored in context of + fds opened on parent inode, since st_atime is changed during this call. + +* xattrop/fxattrop These calls modify various times of stat structure, hence appropriate entries have to be removed from the cache. I am leaving these calls unimplemented in stat-prefetch for timebeing. Once we have a working translator, these five fops diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c index 60c52c82..025176e7 100644 --- a/xlators/performance/stat-prefetch/src/stat-prefetch.c +++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c @@ -1636,6 +1636,40 @@ unwind: int32_t +sp_checksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, uint8_t *file_checksum, + uint8_t *dir_checksum) +{ + SP_STACK_UNWIND (frame, op_ret, op_errno, file_checksum, dir_checksum); + return 0; +} + + +int32_t +sp_checksum (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flag) +{ + sp_cache_t *cache = NULL; + + GF_VALIDATE_OR_GOTO (this->name, loc, unwind); + GF_VALIDATE_OR_GOTO (this->name, loc->parent, unwind); + GF_VALIDATE_OR_GOTO (this->name, loc->name, unwind); + + cache = sp_get_cache_inode (this, loc->parent, frame->root->pid); + if (cache) { + sp_cache_remove_entry (cache, (char *)loc->name, 0); + } + + STACK_WIND (frame, sp_checksum_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->checksum, loc, flag); + return 0; + +unwind: + SP_STACK_UNWIND (frame, -1, errno, NULL); + return 0; +} + + +int32_t sp_forget (xlator_t *this, inode_t *inode) { struct stat *buf = NULL; @@ -1703,7 +1737,8 @@ struct xlator_fops fops = { .setxattr = sp_setxattr, .removexattr = sp_removexattr, .setdents = sp_setdents, - .getdents = sp_getdents + .getdents = sp_getdents, + .checksum = sp_checksum, }; struct xlator_mops mops = { |