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-rw-r--r--fs/jfs/inode.c18
-rw-r--r--fs/jfs/jfs_extent.c10
-rw-r--r--fs/jfs/jfs_imap.c1
-rw-r--r--fs/jfs/jfs_inode.c1
-rw-r--r--fs/jfs/jfs_inode.h3
-rw-r--r--fs/jfs/jfs_metapage.c4
-rw-r--r--fs/jfs/jfs_metapage.h2
-rw-r--r--fs/jfs/jfs_txnmgr.c8
-rw-r--r--fs/jfs/namei.c33
-rw-r--r--fs/jfs/super.c119
10 files changed, 150 insertions, 49 deletions
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 04eb78f1252..a223cf4faa9 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -168,16 +168,15 @@ void jfs_dirty_inode(struct inode *inode)
set_cflag(COMMIT_Dirty, inode);
}
-static int
-jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
- struct buffer_head *bh_result, int create)
+int jfs_get_block(struct inode *ip, sector_t lblock,
+ struct buffer_head *bh_result, int create)
{
s64 lblock64 = lblock;
int rc = 0;
xad_t xad;
s64 xaddr;
int xflag;
- s32 xlen = max_blocks;
+ s32 xlen = bh_result->b_size >> ip->i_blkbits;
/*
* Take appropriate lock on inode
@@ -188,7 +187,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
IREAD_LOCK(ip);
if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) &&
- (!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) &&
+ (!xtLookup(ip, lblock64, xlen, &xflag, &xaddr, &xlen, 0)) &&
xaddr) {
if (xflag & XAD_NOTRECORDED) {
if (!create)
@@ -255,13 +254,6 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
return rc;
}
-static int jfs_get_block(struct inode *ip, sector_t lblock,
- struct buffer_head *bh_result, int create)
-{
- return jfs_get_blocks(ip, lblock, bh_result->b_size >> ip->i_blkbits,
- bh_result, create);
-}
-
static int jfs_writepage(struct page *page, struct writeback_control *wbc)
{
return nobh_writepage(page, jfs_get_block, wbc);
@@ -305,7 +297,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
offset, nr_segs, jfs_get_block, NULL);
}
-struct address_space_operations jfs_aops = {
+const struct address_space_operations jfs_aops = {
.readpage = jfs_readpage,
.readpages = jfs_readpages,
.writepage = jfs_writepage,
diff --git a/fs/jfs/jfs_extent.c b/fs/jfs/jfs_extent.c
index 5549378358b..4c74f0944f7 100644
--- a/fs/jfs/jfs_extent.c
+++ b/fs/jfs/jfs_extent.c
@@ -126,7 +126,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, boolean_t abnr)
/* allocate the disk blocks for the extent. initially, extBalloc()
* will try to allocate disk blocks for the requested size (xlen).
- * if this fails (xlen contigious free blocks not avaliable), it'll
+ * if this fails (xlen contiguous free blocks not avaliable), it'll
* try to allocate a smaller number of blocks (producing a smaller
* extent), with this smaller number of blocks consisting of the
* requested number of blocks rounded down to the next smaller
@@ -468,7 +468,7 @@ int extRecord(struct inode *ip, xad_t * xp)
int extFill(struct inode *ip, xad_t * xp)
{
int rc, nbperpage = JFS_SBI(ip->i_sb)->nbperpage;
- s64 blkno = offsetXAD(xp) >> ip->i_blksize;
+ s64 blkno = offsetXAD(xp) >> ip->i_blkbits;
// assert(ISSPARSE(ip));
@@ -493,7 +493,7 @@ int extFill(struct inode *ip, xad_t * xp)
*
* initially, we will try to allocate disk blocks for the
* requested size (nblocks). if this fails (nblocks
- * contigious free blocks not avaliable), we'll try to allocate
+ * contiguous free blocks not avaliable), we'll try to allocate
* a smaller number of blocks (producing a smaller extent), with
* this smaller number of blocks consisting of the requested
* number of blocks rounded down to the next smaller power of 2
@@ -529,7 +529,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
/* get the number of blocks to initially attempt to allocate.
* we'll first try the number of blocks requested unless this
- * number is greater than the maximum number of contigious free
+ * number is greater than the maximum number of contiguous free
* blocks in the map. in that case, we'll start off with the
* maximum free.
*/
@@ -586,7 +586,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
* in place. if this fails, we'll try to move the extent
* to a new set of blocks. if moving the extent, we initially
* will try to allocate disk blocks for the requested size
- * (nnew). if this fails (nnew contigious free blocks not
+ * (nnew). if this fails (new contiguous free blocks not
* avaliable), we'll try to allocate a smaller number of
* blocks (producing a smaller extent), with this smaller
* number of blocks consisting of the requested number of
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index ccbe60aff83..369d7f39c04 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -3115,7 +3115,6 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip)
ip->i_mtime.tv_nsec = le32_to_cpu(dip->di_mtime.tv_nsec);
ip->i_ctime.tv_sec = le32_to_cpu(dip->di_ctime.tv_sec);
ip->i_ctime.tv_nsec = le32_to_cpu(dip->di_ctime.tv_nsec);
- ip->i_blksize = ip->i_sb->s_blocksize;
ip->i_blocks = LBLK2PBLK(ip->i_sb, le64_to_cpu(dip->di_nblocks));
ip->i_generation = le32_to_cpu(dip->di_gen);
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 495df402916..bffaca9ae3a 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -115,7 +115,6 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
}
jfs_inode->mode2 |= mode;
- inode->i_blksize = sb->s_blocksize;
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
jfs_inode->otime = inode->i_ctime.tv_sec;
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index c3007267446..1fc48df670c 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -32,8 +32,9 @@ extern void jfs_truncate_nolock(struct inode *, loff_t);
extern void jfs_free_zero_link(struct inode *);
extern struct dentry *jfs_get_parent(struct dentry *dentry);
extern void jfs_set_inode_flags(struct inode *);
+extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
-extern struct address_space_operations jfs_aops;
+extern const struct address_space_operations jfs_aops;
extern struct inode_operations jfs_dir_inode_operations;
extern const struct file_operations jfs_dir_operations;
extern struct inode_operations jfs_file_inode_operations;
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 7f6e8803970..f5afc129d6b 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -257,7 +257,7 @@ static sector_t metapage_get_blocks(struct inode *inode, sector_t lblock,
int rc = 0;
int xflag;
s64 xaddr;
- sector_t file_blocks = (inode->i_size + inode->i_blksize - 1) >>
+ sector_t file_blocks = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
inode->i_blkbits;
if (lblock >= file_blocks)
@@ -577,7 +577,7 @@ static void metapage_invalidatepage(struct page *page, unsigned long offset)
metapage_releasepage(page, 0);
}
-struct address_space_operations jfs_metapage_aops = {
+const struct address_space_operations jfs_metapage_aops = {
.readpage = metapage_readpage,
.writepage = metapage_writepage,
.sync_page = block_sync_page,
diff --git a/fs/jfs/jfs_metapage.h b/fs/jfs/jfs_metapage.h
index f0b7d3282b0..d17a3290f5a 100644
--- a/fs/jfs/jfs_metapage.h
+++ b/fs/jfs/jfs_metapage.h
@@ -139,7 +139,7 @@ static inline void metapage_homeok(struct metapage *mp)
put_metapage(mp);
}
-extern struct address_space_operations jfs_metapage_aops;
+extern const struct address_space_operations jfs_metapage_aops;
/*
* This routines invalidate all pages for an extent.
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index ac3d66948e8..3856efc399c 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -282,7 +282,7 @@ int txInit(void)
TxLockVHWM = (nTxLock * 8) / 10;
size = sizeof(struct tblock) * nTxBlock;
- TxBlock = (struct tblock *) vmalloc(size);
+ TxBlock = vmalloc(size);
if (TxBlock == NULL)
return -ENOMEM;
@@ -307,7 +307,7 @@ int txInit(void)
* tlock id = 0 is reserved.
*/
size = sizeof(struct tlock) * nTxLock;
- TxLock = (struct tlock *) vmalloc(size);
+ TxLock = vmalloc(size);
if (TxLock == NULL) {
vfree(TxBlock);
return -ENOMEM;
@@ -842,7 +842,7 @@ struct tlock *txLock(tid_t tid, struct inode *ip, struct metapage * mp,
TXN_UNLOCK();
release_metapage(mp);
TXN_LOCK();
- xtid = tlck->tid; /* reaquire after dropping TXN_LOCK */
+ xtid = tlck->tid; /* reacquire after dropping TXN_LOCK */
jfs_info("txLock: in waitLock, tid = %d, xtid = %d, lid = %d",
tid, xtid, lid);
@@ -2944,7 +2944,7 @@ int jfs_sync(void *arg)
* Inode is being freed
*/
list_del_init(&jfs_ip->anon_inode_list);
- } else if (! !mutex_trylock(&jfs_ip->commit_mutex)) {
+ } else if (mutex_trylock(&jfs_ip->commit_mutex)) {
/*
* inode will be removed from anonymous list
* when it is committed
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 09ea03f6227..295268ad231 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -165,8 +165,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
out3:
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@@ -300,8 +300,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
out3:
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@@ -384,8 +384,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
if (rc == -EIO)
txAbort(tid, 1);
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
goto out2;
}
@@ -422,8 +422,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
/*
* Truncating the directory index table is not guaranteed. It
@@ -503,8 +503,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
if (rc == -EIO)
txAbort(tid, 1); /* Marks FS Dirty */
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
IWRITE_UNLOCK(ip);
goto out1;
}
@@ -527,8 +527,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
if ((new_size = commitZeroLink(tid, ip)) < 0) {
txAbort(tid, 1); /* Marks FS Dirty */
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
IWRITE_UNLOCK(ip);
rc = new_size;
goto out1;
@@ -556,9 +556,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
-
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
while (new_size && (rc == 0)) {
tid = txBegin(dip->i_sb, 0);
@@ -847,8 +846,8 @@ static int jfs_link(struct dentry *old_dentry,
out:
txEnd(tid);
- mutex_unlock(&JFS_IP(dir)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dir)->commit_mutex);
jfs_info("jfs_link: rc:%d", rc);
return rc;
@@ -1037,8 +1036,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
out3:
txEnd(tid);
- mutex_unlock(&JFS_IP(dip)->commit_mutex);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(dip)->commit_mutex);
if (rc) {
free_ea_wmap(ip);
ip->i_nlink = 0;
@@ -1160,10 +1159,11 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (S_ISDIR(new_ip->i_mode)) {
new_ip->i_nlink--;
if (new_ip->i_nlink) {
- mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
- mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(new_ip)->commit_mutex);
if (old_dir != new_dir)
mutex_unlock(&JFS_IP(old_dir)->commit_mutex);
+ mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
if (!S_ISDIR(old_ip->i_mode) && new_ip)
IWRITE_UNLOCK(new_ip);
jfs_error(new_ip->i_sb,
@@ -1281,13 +1281,12 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
out4:
txEnd(tid);
-
- mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
- mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
- if (old_dir != new_dir)
- mutex_unlock(&JFS_IP(old_dir)->commit_mutex);
if (new_ip)
mutex_unlock(&JFS_IP(new_ip)->commit_mutex);
+ if (old_dir != new_dir)
+ mutex_unlock(&JFS_IP(old_dir)->commit_mutex);
+ mutex_unlock(&JFS_IP(old_ip)->commit_mutex);
+ mutex_unlock(&JFS_IP(new_dir)->commit_mutex);
while (new_size && (rc == 0)) {
tid = txBegin(new_ip->i_sb, 0);
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 73d2aba084c..143bcd1d5ea 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -18,7 +18,6 @@
*/
#include <linux/fs.h>
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/parser.h>
#include <linux/completion.h>
@@ -27,6 +26,7 @@
#include <linux/moduleparam.h>
#include <linux/kthread.h>
#include <linux/posix_acl.h>
+#include <linux/buffer_head.h>
#include <asm/uaccess.h>
#include <linux/seq_file.h>
@@ -299,7 +299,7 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
break;
}
-#if defined(CONFIG_QUOTA)
+#ifdef CONFIG_QUOTA
case Opt_quota:
case Opt_usrquota:
*flag |= JFS_USRQUOTA;
@@ -598,7 +598,7 @@ static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
if (sbi->flag & JFS_NOINTEGRITY)
seq_puts(seq, ",nointegrity");
-#if defined(CONFIG_QUOTA)
+#ifdef CONFIG_QUOTA
if (sbi->flag & JFS_USRQUOTA)
seq_puts(seq, ",usrquota");
@@ -609,6 +609,113 @@ static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
return 0;
}
+#ifdef CONFIG_QUOTA
+
+/* Read data from quotafile - avoid pagecache and such because we cannot afford
+ * acquiring the locks... As quota files are never truncated and quota code
+ * itself serializes the operations (and noone else should touch the files)
+ * we don't have to be afraid of races */
+static ssize_t jfs_quota_read(struct super_block *sb, int type, char *data,
+ size_t len, loff_t off)
+{
+ struct inode *inode = sb_dqopt(sb)->files[type];
+ sector_t blk = off >> sb->s_blocksize_bits;
+ int err = 0;
+ int offset = off & (sb->s_blocksize - 1);
+ int tocopy;
+ size_t toread;
+ struct buffer_head tmp_bh;
+ struct buffer_head *bh;
+ loff_t i_size = i_size_read(inode);
+
+ if (off > i_size)
+ return 0;
+ if (off+len > i_size)
+ len = i_size-off;
+ toread = len;
+ while (toread > 0) {
+ tocopy = sb->s_blocksize - offset < toread ?
+ sb->s_blocksize - offset : toread;
+
+ tmp_bh.b_state = 0;
+ tmp_bh.b_size = 1 << inode->i_blkbits;
+ err = jfs_get_block(inode, blk, &tmp_bh, 0);
+ if (err)
+ return err;
+ if (!buffer_mapped(&tmp_bh)) /* A hole? */
+ memset(data, 0, tocopy);
+ else {
+ bh = sb_bread(sb, tmp_bh.b_blocknr);
+ if (!bh)
+ return -EIO;
+ memcpy(data, bh->b_data+offset, tocopy);
+ brelse(bh);
+ }
+ offset = 0;
+ toread -= tocopy;
+ data += tocopy;
+ blk++;
+ }
+ return len;
+}
+
+/* Write to quotafile */
+static ssize_t jfs_quota_write(struct super_block *sb, int type,
+ const char *data, size_t len, loff_t off)
+{
+ struct inode *inode = sb_dqopt(sb)->files[type];
+ sector_t blk = off >> sb->s_blocksize_bits;
+ int err = 0;
+ int offset = off & (sb->s_blocksize - 1);
+ int tocopy;
+ size_t towrite = len;
+ struct buffer_head tmp_bh;
+ struct buffer_head *bh;
+
+ mutex_lock(&inode->i_mutex);
+ while (towrite > 0) {
+ tocopy = sb->s_blocksize - offset < towrite ?
+ sb->s_blocksize - offset : towrite;
+
+ tmp_bh.b_state = 0;
+ tmp_bh.b_size = 1 << inode->i_blkbits;
+ err = jfs_get_block(inode, blk, &tmp_bh, 1);
+ if (err)
+ goto out;
+ if (offset || tocopy != sb->s_blocksize)
+ bh = sb_bread(sb, tmp_bh.b_blocknr);
+ else
+ bh = sb_getblk(sb, tmp_bh.b_blocknr);
+ if (!bh) {
+ err = -EIO;
+ goto out;
+ }
+ lock_buffer(bh);
+ memcpy(bh->b_data+offset, data, tocopy);
+ flush_dcache_page(bh->b_page);
+ set_buffer_uptodate(bh);
+ mark_buffer_dirty(bh);
+ unlock_buffer(bh);
+ brelse(bh);
+ offset = 0;
+ towrite -= tocopy;
+ data += tocopy;
+ blk++;
+ }
+out:
+ if (len == towrite)
+ return err;
+ if (inode->i_size < off+len-towrite)
+ i_size_write(inode, off+len-towrite);
+ inode->i_version++;
+ inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ mark_inode_dirty(inode);
+ mutex_unlock(&inode->i_mutex);
+ return len - towrite;
+}
+
+#endif
+
static struct super_operations jfs_super_operations = {
.alloc_inode = jfs_alloc_inode,
.destroy_inode = jfs_destroy_inode,
@@ -622,7 +729,11 @@ static struct super_operations jfs_super_operations = {
.unlockfs = jfs_unlockfs,
.statfs = jfs_statfs,
.remount_fs = jfs_remount,
- .show_options = jfs_show_options
+ .show_options = jfs_show_options,
+#ifdef CONFIG_QUOTA
+ .quota_read = jfs_quota_read,
+ .quota_write = jfs_quota_write,
+#endif
};
static struct export_operations jfs_export_operations = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-27 05:27:20 +0000