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-rw-r--r--fs/jfs/jfs_dtree.c63
-rw-r--r--fs/jfs/jfs_dtree.h2
-rw-r--r--fs/jfs/jfs_logmgr.c8
-rw-r--r--fs/jfs/jfs_metapage.c5
-rw-r--r--fs/jfs/namei.c9
-rw-r--r--fs/jfs/super.c38
6 files changed, 73 insertions, 52 deletions
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 0ddbeceafc62..9f4ed13d9f15 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -3002,9 +3002,9 @@ static inline struct jfs_dirent *next_jfs_dirent(struct jfs_dirent *dirent)
* return: offset = (pn, index) of start entry
* of next jfs_readdir()/dtRead()
*/
-int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+int jfs_readdir(struct file *file, struct dir_context *ctx)
{
- struct inode *ip = file_inode(filp);
+ struct inode *ip = file_inode(file);
struct nls_table *codepage = JFS_SBI(ip->i_sb)->nls_tab;
int rc = 0;
loff_t dtpos; /* legacy OS/2 style position */
@@ -3033,7 +3033,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
int overflow, fix_page, page_fixed = 0;
static int unique_pos = 2; /* If we can't fix broken index */
- if (filp->f_pos == DIREND)
+ if (ctx->pos == DIREND)
return 0;
if (DO_INDEX(ip)) {
@@ -3045,7 +3045,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
*/
do_index = 1;
- dir_index = (u32) filp->f_pos;
+ dir_index = (u32) ctx->pos;
if (dir_index > 1) {
struct dir_table_slot dirtab_slot;
@@ -3053,25 +3053,25 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (dtEmpty(ip) ||
(dir_index >= JFS_IP(ip)->next_index)) {
/* Stale position. Directory has shrunk */
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
repeat:
rc = read_index(ip, dir_index, &dirtab_slot);
if (rc) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return rc;
}
if (dirtab_slot.flag == DIR_INDEX_FREE) {
if (loop_count++ > JFS_IP(ip)->next_index) {
jfs_err("jfs_readdir detected "
"infinite loop!");
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
dir_index = le32_to_cpu(dirtab_slot.addr2);
if (dir_index == -1) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
goto repeat;
@@ -3080,13 +3080,13 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
index = dirtab_slot.slot;
DT_GETPAGE(ip, bn, mp, PSIZE, p, rc);
if (rc) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
if (p->header.flag & BT_INTERNAL) {
jfs_err("jfs_readdir: bad index table");
DT_PUTPAGE(mp);
- filp->f_pos = -1;
+ ctx->pos = -1;
return 0;
}
} else {
@@ -3094,23 +3094,22 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
/*
* self "."
*/
- filp->f_pos = 0;
- if (filldir(dirent, ".", 1, 0, ip->i_ino,
- DT_DIR))
+ ctx->pos = 0;
+ if (!dir_emit(ctx, ".", 1, ip->i_ino, DT_DIR))
return 0;
}
/*
* parent ".."
*/
- filp->f_pos = 1;
- if (filldir(dirent, "..", 2, 1, PARENT(ip), DT_DIR))
+ ctx->pos = 1;
+ if (!dir_emit(ctx, "..", 2, PARENT(ip), DT_DIR))
return 0;
/*
* Find first entry of left-most leaf
*/
if (dtEmpty(ip)) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
@@ -3128,23 +3127,19 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
* pn > 0: Real entries, pn=1 -> leftmost page
* pn = index = -1: No more entries
*/
- dtpos = filp->f_pos;
+ dtpos = ctx->pos;
if (dtpos == 0) {
/* build "." entry */
-
- if (filldir(dirent, ".", 1, filp->f_pos, ip->i_ino,
- DT_DIR))
+ if (!dir_emit(ctx, ".", 1, ip->i_ino, DT_DIR))
return 0;
dtoffset->index = 1;
- filp->f_pos = dtpos;
+ ctx->pos = dtpos;
}
if (dtoffset->pn == 0) {
if (dtoffset->index == 1) {
/* build ".." entry */
-
- if (filldir(dirent, "..", 2, filp->f_pos,
- PARENT(ip), DT_DIR))
+ if (!dir_emit(ctx, "..", 2, PARENT(ip), DT_DIR))
return 0;
} else {
jfs_err("jfs_readdir called with "
@@ -3152,18 +3147,18 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
}
dtoffset->pn = 1;
dtoffset->index = 0;
- filp->f_pos = dtpos;
+ ctx->pos = dtpos;
}
if (dtEmpty(ip)) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
- if ((rc = dtReadNext(ip, &filp->f_pos, &btstack))) {
+ if ((rc = dtReadNext(ip, &ctx->pos, &btstack))) {
jfs_err("jfs_readdir: unexpected rc = %d "
"from dtReadNext", rc);
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
/* get start leaf page and index */
@@ -3171,7 +3166,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
/* offset beyond directory eof ? */
if (bn < 0) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return 0;
}
}
@@ -3180,7 +3175,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (dirent_buf == 0) {
DT_PUTPAGE(mp);
jfs_warn("jfs_readdir: __get_free_page failed!");
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
return -ENOMEM;
}
@@ -3295,9 +3290,9 @@ skip_one:
jfs_dirent = (struct jfs_dirent *) dirent_buf;
while (jfs_dirents--) {
- filp->f_pos = jfs_dirent->position;
- if (filldir(dirent, jfs_dirent->name,
- jfs_dirent->name_len, filp->f_pos,
+ ctx->pos = jfs_dirent->position;
+ if (!dir_emit(ctx, jfs_dirent->name,
+ jfs_dirent->name_len,
jfs_dirent->ino, DT_UNKNOWN))
goto out;
jfs_dirent = next_jfs_dirent(jfs_dirent);
@@ -3309,7 +3304,7 @@ skip_one:
}
if (!overflow && (bn == 0)) {
- filp->f_pos = DIREND;
+ ctx->pos = DIREND;
break;
}
diff --git a/fs/jfs/jfs_dtree.h b/fs/jfs/jfs_dtree.h
index 2545bb317235..fd4169e6e698 100644
--- a/fs/jfs/jfs_dtree.h
+++ b/fs/jfs/jfs_dtree.h
@@ -265,5 +265,5 @@ extern int dtDelete(tid_t tid, struct inode *ip, struct component_name * key,
extern int dtModify(tid_t tid, struct inode *ip, struct component_name * key,
ino_t * orig_ino, ino_t new_ino, int flag);
-extern int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir);
+extern int jfs_readdir(struct file *file, struct dir_context *ctx);
#endif /* !_H_JFS_DTREE */
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index c57499dca89c..360d27c48887 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2009,7 +2009,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- submit_bio(READ_SYNC, bio);
+ /*check if journaling to disk has been disabled*/
+ if (log->no_integrity) {
+ bio->bi_size = 0;
+ lbmIODone(bio, 0);
+ } else {
+ submit_bio(READ_SYNC, bio);
+ }
wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD));
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 6740d34cd82b..9e3aaff11f89 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -571,9 +571,10 @@ static int metapage_releasepage(struct page *page, gfp_t gfp_mask)
return ret;
}
-static void metapage_invalidatepage(struct page *page, unsigned long offset)
+static void metapage_invalidatepage(struct page *page, unsigned int offset,
+ unsigned int length)
{
- BUG_ON(offset);
+ BUG_ON(offset || length < PAGE_CACHE_SIZE);
BUG_ON(PageWriteback(page));
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 3b91a7ad6086..8b19027291d6 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1529,7 +1529,7 @@ const struct inode_operations jfs_dir_inode_operations = {
const struct file_operations jfs_dir_operations = {
.read = generic_read_dir,
- .readdir = jfs_readdir,
+ .iterate = jfs_readdir,
.fsync = jfs_fsync,
.unlocked_ioctl = jfs_ioctl,
#ifdef CONFIG_COMPAT
@@ -1538,8 +1538,7 @@ const struct file_operations jfs_dir_operations = {
.llseek = generic_file_llseek,
};
-static int jfs_ci_hash(const struct dentry *dir, const struct inode *inode,
- struct qstr *this)
+static int jfs_ci_hash(const struct dentry *dir, struct qstr *this)
{
unsigned long hash;
int i;
@@ -1552,9 +1551,7 @@ static int jfs_ci_hash(const struct dentry *dir, const struct inode *inode,
return 0;
}
-static int jfs_ci_compare(const struct dentry *parent,
- const struct inode *pinode,
- const struct dentry *dentry, const struct inode *inode,
+static int jfs_ci_compare(const struct dentry *parent, const struct dentry *dentry,
unsigned int len, const char *str, const struct qstr *name)
{
int i, result = 1;
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 2003e830ed1c..788e0a9c1fb0 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -611,11 +611,28 @@ static int jfs_freeze(struct super_block *sb)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_log *log = sbi->log;
+ int rc = 0;
if (!(sb->s_flags & MS_RDONLY)) {
txQuiesce(sb);
- lmLogShutdown(log);
- updateSuper(sb, FM_CLEAN);
+ rc = lmLogShutdown(log);
+ if (rc) {
+ jfs_error(sb, "jfs_freeze: lmLogShutdown failed");
+
+ /* let operations fail rather than hang */
+ txResume(sb);
+
+ return rc;
+ }
+ rc = updateSuper(sb, FM_CLEAN);
+ if (rc) {
+ jfs_err("jfs_freeze: updateSuper failed\n");
+ /*
+ * Don't fail here. Everything succeeded except
+ * marking the superblock clean, so there's really
+ * no harm in leaving it frozen for now.
+ */
+ }
}
return 0;
}
@@ -627,13 +644,18 @@ static int jfs_unfreeze(struct super_block *sb)
int rc = 0;
if (!(sb->s_flags & MS_RDONLY)) {
- updateSuper(sb, FM_MOUNT);
- if ((rc = lmLogInit(log)))
- jfs_err("jfs_unlock failed with return code %d", rc);
- else
- txResume(sb);
+ rc = updateSuper(sb, FM_MOUNT);
+ if (rc) {
+ jfs_error(sb, "jfs_unfreeze: updateSuper failed");
+ goto out;
+ }
+ rc = lmLogInit(log);
+ if (rc)
+ jfs_error(sb, "jfs_unfreeze: lmLogInit failed");
+out:
+ txResume(sb);
}
- return 0;
+ return rc;
}
static struct dentry *jfs_do_mount(struct file_system_type *fs_type,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 10:36:43 +0000