diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-20 18:34:33 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-27 16:34:34 -0400 |
| commit | ba827c9abb0b413a4c87b68c87d39b310fc01101 (patch) | |
| tree | 4fe2907dadb285f53ca76f7841d66ce9634173c6 /fs/nfs/filelayout/filelayout.c | |
| parent | a9901899b649dc80ef75c14d6d78059cae14def7 (diff) | |
| download | linux-ba827c9abb0b413a4c87b68c87d39b310fc01101.tar.gz | |
pNFS: Enable per-layout segment commit structures
Enable adding and lookup of per-layout segment commits in filelayout and flexfilelayout. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/filelayout/filelayout.c')
| -rw-r--r-- | fs/nfs/filelayout/filelayout.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index ffc5e2af1776..e3cf42c91d80 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -1169,6 +1169,26 @@ filelayout_get_ds_info(struct inode *inode) } static void +filelayout_setup_ds_info(struct pnfs_ds_commit_info *fl_cinfo, + struct pnfs_layout_segment *lseg) +{ + struct nfs4_filelayout_segment *fl = FILELAYOUT_LSEG(lseg); + struct inode *inode = lseg->pls_layout->plh_inode; + struct pnfs_commit_array *array, *new; + unsigned int size = (fl->stripe_type == STRIPE_SPARSE) ? + fl->dsaddr->ds_num : fl->dsaddr->stripe_count; + + new = pnfs_alloc_commit_array(size, GFP_NOIO); + if (new) { + spin_lock(&inode->i_lock); + array = pnfs_add_commit_array(fl_cinfo, new, lseg); + spin_unlock(&inode->i_lock); + if (array != new) + pnfs_free_commit_array(new); + } +} + +static void filelayout_release_ds_info(struct pnfs_ds_commit_info *fl_cinfo, struct inode *inode) { @@ -1191,6 +1211,7 @@ static struct pnfs_layoutdriver_type filelayout_type = { .pg_read_ops = &filelayout_pg_read_ops, .pg_write_ops = &filelayout_pg_write_ops, .get_ds_info = &filelayout_get_ds_info, + .setup_ds_info = filelayout_setup_ds_info, .release_ds_info = filelayout_release_ds_info, .mark_request_commit = filelayout_mark_request_commit, .clear_request_commit = pnfs_generic_clear_request_commit, |