diff options
Diffstat (limited to 'xlators/performance/md-cache/src/md-cache.c')
| -rw-r--r-- | xlators/performance/md-cache/src/md-cache.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/xlators/performance/md-cache/src/md-cache.c b/xlators/performance/md-cache/src/md-cache.c index 31bc8d8187d..30443761c56 100644 --- a/xlators/performance/md-cache/src/md-cache.c +++ b/xlators/performance/md-cache/src/md-cache.c @@ -1506,6 +1506,53 @@ mdc_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, } +static int +mdc_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, fd_t *fd, + dict_t *xdata) +{ + mdc_local_t *local = NULL; + + local = frame->local; + + if (op_ret || !local) + goto out; + + if (local->fd->flags & O_TRUNC) { + /* O_TRUNC modifies file size. Hence invalidate the + * cache entry to fetch latest attributes. */ + mdc_inode_iatt_invalidate (this, local->fd->inode); + } + +out: + MDC_STACK_UNWIND (open, frame, op_ret, op_errno, fd, xdata); + return 0; +} + + +static int +mdc_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, + fd_t *fd, dict_t *xdata) +{ + mdc_local_t *local = NULL; + + if (!fd || !IA_ISREG(fd->inode->ia_type) || + !(fd->flags & O_TRUNC)) { + goto out; + } + + local = mdc_local_get (frame); + + local->fd = fd_ref (fd); + +out: + STACK_WIND (frame, mdc_open_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->open, + loc, flags, fd, xdata); + return 0; +} + + int mdc_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, @@ -2385,6 +2432,7 @@ struct xlator_fops fops = { .rename = mdc_rename, .link = mdc_link, .create = mdc_create, + .open = mdc_open, .readv = mdc_readv, .writev = mdc_writev, .setattr = mdc_setattr, |