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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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2
fs/nfs/inode.c
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@@ -716,6 +716,7 @@ struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx)
kfree(new);
return res;
}
EXPORT_SYMBOL_GPL(nfs_get_lock_context);
void nfs_put_lock_context(struct nfs_lock_context *l_ctx)
{
@@ -728,6 +729,7 @@ void nfs_put_lock_context(struct nfs_lock_context *l_ctx)
spin_unlock(&inode->i_lock);
kfree(l_ctx);
}
EXPORT_SYMBOL_GPL(nfs_put_lock_context);
/**
* nfs_close_context - Common close_context() routine NFSv2/v3