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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-19 20:36:36 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-03-27 23:34:34 +0300 |
| commit | c21e7168848d4ff4158120dbd4464f0d5cfb1456 (patch) | |
| tree | 57f6b908524be9d5c7769e60bff7b8794390b5e2 /fs/nfs | |
| parent | d7242c4641fba521a1ea9dbccb11a40cf38cd912 (diff) | |
| download | linux-c21e7168848d4ff4158120dbd4464f0d5cfb1456.tar.xz | |
NFSv4/pnfs: Support a list of commit arrays in struct pnfs_ds_commit_info
When we have multiple layout segments with different lists of mirrored
data, we need to track the commits on a per layout segment basis.
This patch adds a list to support this tracking in struct
pnfs_ds_commit_info.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/direct.c | 1 | ||||
| -rw-r--r-- | fs/nfs/filelayout/filelayout.c | 5 | ||||
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 1 | ||||
| -rw-r--r-- | fs/nfs/pnfs.h | 11 |
4 files changed, 17 insertions, 1 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index ade2435551c8..f9a73febce02 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -305,6 +305,7 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void) kref_get(&dreq->kref); init_completion(&dreq->completion); INIT_LIST_HEAD(&dreq->mds_cinfo.list); + pnfs_init_ds_commit_info(&dreq->ds_cinfo); dreq->verf.committed = NFS_INVALID_STABLE_HOW; /* not set yet */ INIT_WORK(&dreq->work, nfs_direct_write_schedule_work); spin_lock_init(&dreq->lock); diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index bd234394a87c..b051d5d320ba 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -1140,7 +1140,10 @@ filelayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags) struct nfs4_filelayout *flo; flo = kzalloc(sizeof(*flo), gfp_flags); - return flo != NULL ? &flo->generic_hdr : NULL; + if (flo == NULL) + return NULL; + pnfs_init_ds_commit_info(&flo->commit_info); + return &flo->generic_hdr; } static void diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 19728206e9c6..c9e79c8e62cd 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -48,6 +48,7 @@ ff_layout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags) ffl = kzalloc(sizeof(*ffl), gfp_flags); if (ffl) { + pnfs_init_ds_commit_info(&ffl->commit_info); INIT_LIST_HEAD(&ffl->error_list); INIT_LIST_HEAD(&ffl->mirrors); ffl->last_report_time = ktime_get(); diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index f6b1099aa151..b293afb48d04 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -463,6 +463,12 @@ pnfs_get_ds_info(struct inode *inode) } static inline void +pnfs_init_ds_commit_info(struct pnfs_ds_commit_info *fl_cinfo) +{ + INIT_LIST_HEAD(&fl_cinfo->commits); +} + +static inline void pnfs_generic_mark_devid_invalid(struct nfs4_deviceid_node *node) { set_bit(NFS_DEVICEID_INVALID, &node->flags); @@ -759,6 +765,11 @@ pnfs_get_ds_info(struct inode *inode) return NULL; } +static inline void +pnfs_init_ds_commit_info(struct pnfs_ds_commit_info *fl_cinfo) +{ +} + static inline bool pnfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg, struct nfs_commit_info *cinfo, u32 ds_commit_idx) |