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Remove unused MMAP functions

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The following functions were required for the OpenSolaris mmap
implementation.  Because the Linux VFS does most the most heavy
lifting for us they are not required and are being removed to
keep the code clean and easy to understand.

  * zfs_null_putapage()
  * zfs_frlock()
  * zfs_no_putpage()

Signed-off-by: Brian Behlendorf <behlendorf@llnl.gov>
This commit is contained in:
Brian Behlendorf
2011-07-01 09:16:15 -07:00
parent dde471ef5a
commit f0b2486034
2 changed files with 0 additions and 61 deletions
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module/zfs/zfs_znode.c
-16
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@@ -1119,22 +1119,6 @@ zfs_grow_blocksize(znode_t *zp, uint64_t size, dmu_tx_t *tx)
dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &zp->z_blksz, &dummy);
}
#ifdef HAVE_MMAP
/*
* This is a dummy interface used when pvn_vplist_dirty() should *not*
* be calling back into the fs for a putpage(). E.g.: when truncating
* a file, the pages being "thrown away* don't need to be written out.
*/
/* ARGSUSED */
static int
zfs_no_putpage(vnode_t *vp, page_t *pp, u_offset_t *offp, size_t *lenp,
int flags, cred_t *cr)
{
ASSERT(0);
return (0);
}
#endif /* HAVE_MMAP */
/*
* Increase the file length
*