diff options
| author | Anand Avati <avati@redhat.com> | 2014-05-16 21:31:02 -0700 |
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2014-05-17 11:53:53 -0700 |
| commit | 98f5f436dd9106819dea8bc6c9a42e03ee1e31be (patch) | |
| tree | 653676af2f22db83dc3f03fff7947ee3a1aae7de /xlators/meta/src/meta-defaults.c | |
| parent | 618d465295df02ae6d53be1327947a210bb8b47d (diff) | |
meta: add .file_write method into meta_ops
Add .file_write method in meta_ops and make write support into
virtual files (like loglevel, measure_latency) much simpler.
Change-Id: I812f782f645605c56f81b158bb0f289b3c8f909a
BUG: 1089216
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/7785
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'xlators/meta/src/meta-defaults.c')
| -rw-r--r-- | xlators/meta/src/meta-defaults.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/xlators/meta/src/meta-defaults.c b/xlators/meta/src/meta-defaults.c index 905b38554a0..76244c7ee01 100644 --- a/xlators/meta/src/meta-defaults.c +++ b/xlators/meta/src/meta-defaults.c @@ -96,6 +96,23 @@ meta_default_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector, int32_t count, off_t off, uint32_t flags, struct iobref *iobref, dict_t *xdata) { + struct meta_ops *ops = NULL; + int ret = 0; + struct iatt dummy = { }; + + ops = meta_ops_get (fd->inode, this); + if (!ops) + goto err; + + if (!ops->file_write) + goto err; + + ret = ops->file_write (this, fd, vector, count); + + META_STACK_UNWIND (writev, frame, (ret >= 0 ? : -1), (ret < 0 ? -ret : 0), + &dummy, &dummy, xdata); + return 0; +err: return default_writev_failure_cbk (frame, EPERM); } @@ -266,7 +283,13 @@ int meta_default_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata) { - return default_ftruncate_failure_cbk (frame, EPERM); + struct iatt iatt = { }; + + meta_iatt_fill (&iatt, fd->inode, IA_IFREG); + + META_STACK_UNWIND (ftruncate, frame, 0, 0, &iatt, &iatt, xdata); + + return 0; } int @@ -458,7 +481,13 @@ int meta_default_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata) { - return default_truncate_failure_cbk (frame, EPERM); + struct iatt iatt = { }; + + meta_iatt_fill (&iatt, loc->inode, IA_IFREG); + + META_STACK_UNWIND (truncate, frame, 0, 0, &iatt, &iatt, xdata); + + return 0; } int |