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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6:
  jfs: add jfs specific ->setattr call
  jfs: fix diAllocExt error in resizing filesystem
  jfs_dmap.[ch]: trivial typo fix: s/heigth/height/g
This commit is contained in:
Linus Torvalds 2010-04-21 12:30:07 -07:00
commit 9befb55ef5
7 changed files with 33 additions and 16 deletions
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2
fs/jfs/inode.c
View file

@ -61,7 +61,7 @@ struct inode *jfs_iget(struct super_block *sb, unsigned long ino)
inode->i_op = &page_symlink_inode_operations;
inode->i_mapping->a_ops = &jfs_aops;
} else {
inode->i_op = &jfs_symlink_inode_operations;
inode->i_op = &jfs_fast_symlink_inode_operations;
/*
* The inline data should be null-terminated, but
* don't let on-disk corruption crash the kernel

16
fs/jfs/jfs_dmap.c
View file

@ -196,7 +196,7 @@ int dbMount(struct inode *ipbmap)
bmp->db_maxag = le32_to_cpu(dbmp_le->dn_maxag);
bmp->db_agpref = le32_to_cpu(dbmp_le->dn_agpref);
bmp->db_aglevel = le32_to_cpu(dbmp_le->dn_aglevel);
bmp->db_agheigth = le32_to_cpu(dbmp_le->dn_agheigth);
bmp->db_agheight = le32_to_cpu(dbmp_le->dn_agheight);
bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth);
bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart);
bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size);
@ -288,7 +288,7 @@ int dbSync(struct inode *ipbmap)
dbmp_le->dn_maxag = cpu_to_le32(bmp->db_maxag);
dbmp_le->dn_agpref = cpu_to_le32(bmp->db_agpref);
dbmp_le->dn_aglevel = cpu_to_le32(bmp->db_aglevel);
dbmp_le->dn_agheigth = cpu_to_le32(bmp->db_agheigth);
dbmp_le->dn_agheight = cpu_to_le32(bmp->db_agheight);
dbmp_le->dn_agwidth = cpu_to_le32(bmp->db_agwidth);
dbmp_le->dn_agstart = cpu_to_le32(bmp->db_agstart);
dbmp_le->dn_agl2size = cpu_to_le32(bmp->db_agl2size);
@ -1441,7 +1441,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
* tree index of this allocation group within the control page.
*/
agperlev =
(1 << (L2LPERCTL - (bmp->db_agheigth << 1))) / bmp->db_agwidth;
(1 << (L2LPERCTL - (bmp->db_agheight << 1))) / bmp->db_agwidth;
ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1));
/* dmap control page trees fan-out by 4 and a single allocation
@ -1460,7 +1460,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
* the subtree to find the leftmost leaf that describes this
* free space.
*/
for (k = bmp->db_agheigth; k > 0; k--) {
for (k = bmp->db_agheight; k > 0; k--) {
for (n = 0, m = (ti << 2) + 1; n < 4; n++) {
if (l2nb <= dcp->stree[m + n]) {
ti = m + n;
@ -3607,7 +3607,7 @@ void dbFinalizeBmap(struct inode *ipbmap)
}
/*
* compute db_aglevel, db_agheigth, db_width, db_agstart:
* compute db_aglevel, db_agheight, db_width, db_agstart:
* an ag is covered in aglevel dmapctl summary tree,
* at agheight level height (from leaf) with agwidth number of nodes
* each, which starts at agstart index node of the smmary tree node
@ -3616,9 +3616,9 @@ void dbFinalizeBmap(struct inode *ipbmap)
bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize);
l2nl =
bmp->db_agl2size - (L2BPERDMAP + bmp->db_aglevel * L2LPERCTL);
bmp->db_agheigth = l2nl >> 1;
bmp->db_agwidth = 1 << (l2nl - (bmp->db_agheigth << 1));
for (i = 5 - bmp->db_agheigth, bmp->db_agstart = 0, n = 1; i > 0;
bmp->db_agheight = l2nl >> 1;
bmp->db_agwidth = 1 << (l2nl - (bmp->db_agheight << 1));
for (i = 5 - bmp->db_agheight, bmp->db_agstart = 0, n = 1; i > 0;
i--) {
bmp->db_agstart += n;
n <<= 2;

6
fs/jfs/jfs_dmap.h
View file

@ -210,7 +210,7 @@ struct dbmap_disk {
__le32 dn_maxag; /* 4: max active alloc group number */
__le32 dn_agpref; /* 4: preferred alloc group (hint) */
__le32 dn_aglevel; /* 4: dmapctl level holding the AG */
__le32 dn_agheigth; /* 4: height in dmapctl of the AG */
__le32 dn_agheight; /* 4: height in dmapctl of the AG */
__le32 dn_agwidth; /* 4: width in dmapctl of the AG */
__le32 dn_agstart; /* 4: start tree index at AG height */
__le32 dn_agl2size; /* 4: l2 num of blks per alloc group */
@ -229,7 +229,7 @@ struct dbmap {
int dn_maxag; /* max active alloc group number */
int dn_agpref; /* preferred alloc group (hint) */
int dn_aglevel; /* dmapctl level holding the AG */
int dn_agheigth; /* height in dmapctl of the AG */
int dn_agheight; /* height in dmapctl of the AG */
int dn_agwidth; /* width in dmapctl of the AG */
int dn_agstart; /* start tree index at AG height */
int dn_agl2size; /* l2 num of blks per alloc group */
@ -255,7 +255,7 @@ struct bmap {
#define db_agsize db_bmap.dn_agsize
#define db_agl2size db_bmap.dn_agl2size
#define db_agwidth db_bmap.dn_agwidth
#define db_agheigth db_bmap.dn_agheigth
#define db_agheight db_bmap.dn_agheight
#define db_agstart db_bmap.dn_agstart
#define db_numag db_bmap.dn_numag
#define db_maxlevel db_bmap.dn_maxlevel

1
fs/jfs/jfs_inode.h
View file

@ -48,5 +48,6 @@ extern const struct file_operations jfs_dir_operations;
extern const struct inode_operations jfs_file_inode_operations;
extern const struct file_operations jfs_file_operations;
extern const struct inode_operations jfs_symlink_inode_operations;
extern const struct inode_operations jfs_fast_symlink_inode_operations;
extern const struct dentry_operations jfs_ci_dentry_operations;
#endif /* _H_JFS_INODE */

4
fs/jfs/namei.c
View file

@ -956,7 +956,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
*/
if (ssize <= IDATASIZE) {
ip->i_op = &jfs_symlink_inode_operations;
ip->i_op = &jfs_fast_symlink_inode_operations;
i_fastsymlink = JFS_IP(ip)->i_inline;
memcpy(i_fastsymlink, name, ssize);
@ -978,7 +978,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
else {
jfs_info("jfs_symlink: allocate extent ip:0x%p", ip);
ip->i_op = &page_symlink_inode_operations;
ip->i_op = &jfs_symlink_inode_operations;
ip->i_mapping->a_ops = &jfs_aops;
/*

6
fs/jfs/resize.c
View file

@ -81,6 +81,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
struct inode *iplist[1];
struct jfs_superblock *j_sb, *j_sb2;
uint old_agsize;
int agsizechanged = 0;
struct buffer_head *bh, *bh2;
/* If the volume hasn't grown, get out now */
@ -333,6 +334,9 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
*/
if ((rc = dbExtendFS(ipbmap, XAddress, nblocks)))
goto error_out;
agsizechanged |= (bmp->db_agsize != old_agsize);
/*
* the map now has extended to cover additional nblocks:
* dn_mapsize = oldMapsize + nblocks;
@ -432,7 +436,7 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
* will correctly identify the new ag);
*/
/* if new AG size the same as old AG size, done! */
if (bmp->db_agsize != old_agsize) {
if (agsizechanged) {
if ((rc = diExtendFS(ipimap, ipbmap)))
goto error_out;

14
fs/jfs/symlink.c
View file

@ -29,9 +29,21 @@ static void *jfs_follow_link(struct dentry *dentry, struct nameidata *nd)
return NULL;
}
const struct inode_operations jfs_symlink_inode_operations = {
const struct inode_operations jfs_fast_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = jfs_follow_link,
.setattr = jfs_setattr,
.setxattr = jfs_setxattr,
.getxattr = jfs_getxattr,
.listxattr = jfs_listxattr,
.removexattr = jfs_removexattr,
};
const struct inode_operations jfs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = page_follow_link_light,
.put_link = page_put_link,
.setattr = jfs_setattr,
.setxattr = jfs_setxattr,
.getxattr = jfs_getxattr,
.listxattr = jfs_listxattr,