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4 Commits

Author SHA1 Message Date
Anna Schumaker
624bd5b7b6 nfs: Add DEALLOCATE support 
This patch adds support for using the NFS v4.2 operation DEALLOCATE to
punch holes in a file.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
 2014-11-25 16:38:32 -05:00
Anna Schumaker
f4ac1674f5 nfs: Add ALLOCATE support 
This patch adds support for using the NFS v4.2 operation ALLOCATE to
preallocate data in a file.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
 2014-11-25 16:38:32 -05:00
Anna Schumaker
878ffa9f85 NFS: Use nfs_server_capable() for checknig NFS_CAP_SEEK 
This should make the code easier to maintain in the future.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
 2014-11-24 12:49:13 -05:00
Anna Schumaker
1c6dcbe5ce NFS: Implement SEEK 
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>
 2014-09-30 16:24:56 -04:00