TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] JFS: Support page sizes greater than 4K

Browse Source 
jfs has never worked on architecutures where the page size was not 4K.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dave Kleikamp
2005-05-02 12:25:02 -06:00
committed by Linus Torvalds
parent dc5798d9a7
commit 7fab479beb
13 changed files with 810 additions and 466 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/jfs/super.c
+32 -1
View File
@@ -210,6 +210,10 @@ static void jfs_put_super(struct super_block *sb)
unload_nls(sbi->nls_tab);
sbi->nls_tab = NULL;
truncate_inode_pages(sbi->direct_inode->i_mapping, 0);
iput(sbi->direct_inode);
sbi->direct_inode = NULL;
kfree(sbi);
}
@@ -358,6 +362,12 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
}
if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
/*
* Invalidate any previously read metadata. fsck may have
* changed the on-disk data since we mounted r/o
*/
truncate_inode_pages(JFS_SBI(sb)->direct_inode->i_mapping, 0);
JFS_SBI(sb)->flag = flag;
return jfs_mount_rw(sb, 1);
}
@@ -428,12 +438,26 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_op = &jfs_super_operations;
sb->s_export_op = &jfs_export_operations;
/*
* Initialize direct-mapping inode/address-space
*/
inode = new_inode(sb);
if (inode == NULL)
goto out_kfree;
inode->i_ino = 0;
inode->i_nlink = 1;
inode->i_size = sb->s_bdev->bd_inode->i_size;
inode->i_mapping->a_ops = &jfs_metapage_aops;
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
sbi->direct_inode = inode;
rc = jfs_mount(sb);
if (rc) {
if (!silent) {
jfs_err("jfs_mount failed w/return code = %d", rc);
}
goto out_kfree;
goto out_mount_failed;
}
if (sb->s_flags & MS_RDONLY)
sbi->log = NULL;
@@ -482,6 +506,13 @@ out_no_rw:
if (rc) {
jfs_err("jfs_umount failed with return code %d", rc);
}
out_mount_failed:
filemap_fdatawrite(sbi->direct_inode->i_mapping);
filemap_fdatawait(sbi->direct_inode->i_mapping);
truncate_inode_pages(sbi->direct_inode->i_mapping, 0);
make_bad_inode(sbi->direct_inode);
iput(sbi->direct_inode);
sbi->direct_inode = NULL;
out_kfree:
if (sbi->nls_tab)
unload_nls(sbi->nls_tab);