diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-26 19:27:10 +0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-26 19:27:10 +0400 |
commit | ba7f72901cfd437d6de087bf44d2b64357cb38a5 (patch) | |
tree | 8661e91d3f4866b0dbcf5f1887bc86ca6564a0d1 /fs/gfs2/glops.c | |
parent | f25ef0c1b4e032b2641857ac4cff3315c6eb90e3 (diff) | |
download | linux-ba7f72901cfd437d6de087bf44d2b64357cb38a5.tar.xz |
[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.c | 89 |
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 @@ #include "inode.h" #include "log.h" #include "meta_io.h" -#include "page.h" #include "recovery.h" #include "rgrp.h" #include "util.h" + +/** + * gfs2_pte_inval - Sync and invalidate all PTEs associated with a glock + * @gl: the glock + * + */ + +static void gfs2_pte_inval(struct gfs2_glock *gl) +{ + struct gfs2_inode *ip; + struct inode *inode; + + ip = gl->gl_object; + inode = &ip->i_inode; + if (!ip || !S_ISREG(ip->i_di.di_mode)) + return; + + if (!test_bit(GIF_PAGED, &ip->i_flags)) + return; + + unmap_shared_mapping_range(inode->i_mapping, 0, 0); + + if (test_bit(GIF_SW_PAGED, &ip->i_flags)) + set_bit(GLF_DIRTY, &gl->gl_flags); + + clear_bit(GIF_SW_PAGED, &ip->i_flags); +} + +/** + * gfs2_page_inval - Invalidate all pages associated with a glock + * @gl: the glock + * + */ + +static void gfs2_page_inval(struct gfs2_glock *gl) +{ + struct gfs2_inode *ip; + struct inode *inode; + + ip = gl->gl_object; + inode = &ip->i_inode; + if (!ip || !S_ISREG(ip->i_di.di_mode)) + return; + + truncate_inode_pages(inode->i_mapping, 0); + gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !inode->i_mapping->nrpages); + clear_bit(GIF_PAGED, &ip->i_flags); +} + +/** + * gfs2_page_sync - Sync the data pages (not metadata) associated with a glock + * @gl: the glock + * @flags: DIO_START | DIO_WAIT + * + * Syncs data (not metadata) for a regular file. + * No-op for all other types. + */ + +static void gfs2_page_sync(struct gfs2_glock *gl, int flags) +{ + struct gfs2_inode *ip; + struct inode *inode; + struct address_space *mapping; + int error = 0; + + ip = gl->gl_object; + inode = &ip->i_inode; + if (!ip || !S_ISREG(ip->i_di.di_mode)) + return; + + mapping = inode->i_mapping; + + if (flags & DIO_START) + filemap_fdatawrite(mapping); + if (!error && (flags & DIO_WAIT)) + error = filemap_fdatawait(mapping); + + /* Put back any errors cleared by filemap_fdatawait() + so they can be caught by someone who can pass them + up to user space. */ + + if (error == -ENOSPC) + set_bit(AS_ENOSPC, &mapping->flags); + else if (error) + set_bit(AS_EIO, &mapping->flags); + +} + /** * meta_go_sync - sync out the metadata for this glock * @gl: the glock |