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NFS: Implement SEEK

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The SEEK operation is used when an application makes an lseek call with
either the SEEK_HOLE or SEEK_DATA flags set.  I fall back on
nfs_file_llseek() if the server does not have SEEK support.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Anna Schumaker 2014-09-26 13:58:48 -04:00 • committed by Trond Myklebust
parent 4a3a0ebad1
commit 1c6dcbe5ce
12 changed files with 244 additions and 2 deletions
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1
include/linux/nfs_fs_sb.h
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@ -230,5 +230,6 @@ struct nfs_server {
#define NFS_CAP_STATEID_NFSV41 (1U << 16)
#define NFS_CAP_ATOMIC_OPEN_V1 (1U << 17)
#define NFS_CAP_SECURITY_LABEL (1U << 18)
#define NFS_CAP_SEEK (1U << 19)
#endif