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authorSteven Whitehouse <swhiteho@redhat.com>2006-07-26 11:27:10 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-07-26 11:27:10 -0400
commitba7f72901cfd437d6de087bf44d2b64357cb38a5 (patch)
tree8661e91d3f4866b0dbcf5f1887bc86ca6564a0d1 /fs/gfs2/glops.c
parentf25ef0c1b4e032b2641857ac4cff3315c6eb90e3 (diff)
[GFS2] Remove page.[ch]
The remaining routines in page.c were all only used in one other file, so they are now moved into the files where they are referenced and made static. Thus page.[ch] are no longer required. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/glops.c')
-rw-r--r--fs/gfs2/glops.c89
1 files changed, 88 insertions, 1 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index a01874c58834..3f909a81a071 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -23,11 +23,98 @@
23#include "inode.h" 23#include "inode.h"
24#include "log.h" 24#include "log.h"
25#include "meta_io.h" 25#include "meta_io.h"
26#include "page.h"
27#include "recovery.h" 26#include "recovery.h"
28#include "rgrp.h" 27#include "rgrp.h"
29#include "util.h" 28#include "util.h"
30 29
30
31/**
32 * gfs2_pte_inval - Sync and invalidate all PTEs associated with a glock
33 * @gl: the glock
34 *
35 */
36
37static void gfs2_pte_inval(struct gfs2_glock *gl)
38{
39 struct gfs2_inode *ip;
40 struct inode *inode;
41
42 ip = gl->gl_object;
43 inode = &ip->i_inode;
44 if (!ip || !S_ISREG(ip->i_di.di_mode))
45 return;
46
47 if (!test_bit(GIF_PAGED, &ip->i_flags))
48 return;
49
50 unmap_shared_mapping_range(inode->i_mapping, 0, 0);
51
52 if (test_bit(GIF_SW_PAGED, &ip->i_flags))
53 set_bit(GLF_DIRTY, &gl->gl_flags);
54
55 clear_bit(GIF_SW_PAGED, &ip->i_flags);
56}
57
58/**
59 * gfs2_page_inval - Invalidate all pages associated with a glock
60 * @gl: the glock
61 *
62 */
63
64static void gfs2_page_inval(struct gfs2_glock *gl)
65{
66 struct gfs2_inode *ip;
67 struct inode *inode;
68
69 ip = gl->gl_object;
70 inode = &ip->i_inode;
71 if (!ip || !S_ISREG(ip->i_di.di_mode))
72 return;
73
74 truncate_inode_pages(inode->i_mapping, 0);
75 gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !inode->i_mapping->nrpages);
76 clear_bit(GIF_PAGED, &ip->i_flags);
77}
78
79/**
80 * gfs2_page_sync - Sync the data pages (not metadata) associated with a glock
81 * @gl: the glock
82 * @flags: DIO_START | DIO_WAIT
83 *
84 * Syncs data (not metadata) for a regular file.
85 * No-op for all other types.
86 */
87
88static void gfs2_page_sync(struct gfs2_glock *gl, int flags)
89{
90 struct gfs2_inode *ip;
91 struct inode *inode;
92 struct address_space *mapping;
93 int error = 0;
94
95 ip = gl->gl_object;
96 inode = &ip->i_inode;
97 if (!ip || !S_ISREG(ip->i_di.di_mode))
98 return;
99
100 mapping = inode->i_mapping;
101
102 if (flags & DIO_START)
103 filemap_fdatawrite(mapping);
104 if (!error && (flags & DIO_WAIT))
105 error = filemap_fdatawait(mapping);
106
107 /* Put back any errors cleared by filemap_fdatawait()
108 so they can be caught by someone who can pass them
109 up to user space. */
110
111 if (error == -ENOSPC)
112 set_bit(AS_ENOSPC, &mapping->flags);
113 else if (error)
114 set_bit(AS_EIO, &mapping->flags);
115
116}
117
31/** 118/**
32 * meta_go_sync - sync out the metadata for this glock 119 * meta_go_sync - sync out the metadata for this glock
33 * @gl: the glock 120 * @gl: the glock