summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/ext3/ext3.h12
-rw-r--r--fs/ext3/super.c14
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/ocfs2/quota.h5
-rw-r--r--fs/ocfs2/quota_global.c4
-rw-r--r--fs/ocfs2/quota_local.c33
-rw-r--r--fs/ocfs2/super.c30
-rw-r--r--fs/reiserfs/reiserfs.h5
-rw-r--r--fs/reiserfs/super.c16
-rw-r--r--fs/udf/file.c9
-rw-r--r--fs/udf/inode.c14
-rw-r--r--fs/udf/super.c10
-rw-r--r--fs/udf/udfdecl.h13
-rw-r--r--fs/udf/udftime.c2
14 files changed, 101 insertions, 68 deletions
diff --git a/fs/ext3/ext3.h b/fs/ext3/ext3.h
index e85ff15..fc3cdcf 100644
--- a/fs/ext3/ext3.h
+++ b/fs/ext3/ext3.h
@@ -237,6 +237,8 @@ struct ext3_new_group_data {
#define EXT3_IOC32_GETVERSION_OLD FS_IOC32_GETVERSION
#define EXT3_IOC32_SETVERSION_OLD FS_IOC32_SETVERSION
+/* Number of supported quota types */
+#define EXT3_MAXQUOTAS 2
/*
* Mount options
@@ -248,7 +250,7 @@ struct ext3_mount_options {
unsigned long s_commit_interval;
#ifdef CONFIG_QUOTA
int s_jquota_fmt;
- char *s_qf_names[MAXQUOTAS];
+ char *s_qf_names[EXT3_MAXQUOTAS];
#endif
};
@@ -669,7 +671,7 @@ struct ext3_sb_info {
unsigned long s_commit_interval;
struct block_device *journal_bdev;
#ifdef CONFIG_QUOTA
- char *s_qf_names[MAXQUOTAS]; /* Names of quota files with journalled quota */
+ char *s_qf_names[EXT3_MAXQUOTAS]; /* Names of quota files with journalled quota */
int s_jquota_fmt; /* Format of quota to use */
#endif
};
@@ -1183,9 +1185,9 @@ extern const struct inode_operations ext3_fast_symlink_inode_operations;
#define EXT3_QUOTA_INIT_BLOCKS(sb) 0
#define EXT3_QUOTA_DEL_BLOCKS(sb) 0
#endif
-#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
-#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
-#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
+#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
+#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
+#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
int
ext3_mark_iloc_dirty(handle_t *handle,
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index bb0fdac..7015db0 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -441,7 +441,7 @@ static void ext3_put_super (struct super_block * sb)
percpu_counter_destroy(&sbi->s_dirs_counter);
brelse(sbi->s_sbh);
#ifdef CONFIG_QUOTA
- for (i = 0; i < MAXQUOTAS; i++)
+ for (i = 0; i < EXT3_MAXQUOTAS; i++)
kfree(sbi->s_qf_names[i]);
#endif
@@ -1555,7 +1555,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
/* Needed for iput() to work correctly and not trash data */
sb->s_flags |= MS_ACTIVE;
/* Turn on quotas so that they are updated correctly */
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < EXT3_MAXQUOTAS; i++) {
if (EXT3_SB(sb)->s_qf_names[i]) {
int ret = ext3_quota_on_mount(sb, i);
if (ret < 0)
@@ -1606,7 +1606,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
PLURAL(nr_truncates));
#ifdef CONFIG_QUOTA
/* Turn quotas off */
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < EXT3_MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
dquot_quota_off(sb, i);
}
@@ -2139,7 +2139,7 @@ failed_mount2:
kfree(sbi->s_group_desc);
failed_mount:
#ifdef CONFIG_QUOTA
- for (i = 0; i < MAXQUOTAS; i++)
+ for (i = 0; i < EXT3_MAXQUOTAS; i++)
kfree(sbi->s_qf_names[i]);
#endif
ext3_blkdev_remove(sbi);
@@ -2659,7 +2659,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
old_opts.s_commit_interval = sbi->s_commit_interval;
#ifdef CONFIG_QUOTA
old_opts.s_jquota_fmt = sbi->s_jquota_fmt;
- for (i = 0; i < MAXQUOTAS; i++)
+ for (i = 0; i < EXT3_MAXQUOTAS; i++)
if (sbi->s_qf_names[i]) {
old_opts.s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
GFP_KERNEL);
@@ -2763,7 +2763,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
}
#ifdef CONFIG_QUOTA
/* Release old quota file names */
- for (i = 0; i < MAXQUOTAS; i++)
+ for (i = 0; i < EXT3_MAXQUOTAS; i++)
kfree(old_opts.s_qf_names[i]);
#endif
if (enable_quota)
@@ -2777,7 +2777,7 @@ restore_opts:
sbi->s_commit_interval = old_opts.s_commit_interval;
#ifdef CONFIG_QUOTA
sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < EXT3_MAXQUOTAS; i++) {
kfree(sbi->s_qf_names[i]);
sbi->s_qf_names[i] = old_opts.s_qf_names[i];
}
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 682732f..324dc93 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1252,7 +1252,7 @@ bail:
brelse(bh);
/* Release quota pointers in case we acquired them */
- for (qtype = 0; qtype < MAXQUOTAS; qtype++)
+ for (qtype = 0; qtype < OCFS2_MAXQUOTAS; qtype++)
dqput(transfer_to[qtype]);
if (!status && attr->ia_valid & ATTR_MODE) {
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h
index f266d67..1eae330 100644
--- a/fs/ocfs2/quota.h
+++ b/fs/ocfs2/quota.h
@@ -17,6 +17,9 @@
#include "ocfs2.h"
+/* Number of quota types we support */
+#define OCFS2_MAXQUOTAS 2
+
/*
* In-memory structures
*/
@@ -39,7 +42,7 @@ struct ocfs2_recovery_chunk {
};
struct ocfs2_quota_recovery {
- struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */
+ struct list_head r_list[OCFS2_MAXQUOTAS]; /* List of chunks to recover */
};
/* In-memory structure with quota header information */
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index b990a62..c93d6722 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -336,8 +336,8 @@ void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
int ocfs2_global_read_info(struct super_block *sb, int type)
{
struct inode *gqinode = NULL;
- unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
- GROUP_QUOTA_SYSTEM_INODE };
+ unsigned int ino[OCFS2_MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
+ GROUP_QUOTA_SYSTEM_INODE };
struct ocfs2_global_disk_dqinfo dinfo;
struct mem_dqinfo *info = sb_dqinfo(sb, type);
struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 2001862..10b6539 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -166,12 +166,12 @@ static int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
/* Check whether we understand format of quota files */
static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
{
- unsigned int lmagics[MAXQUOTAS] = OCFS2_LOCAL_QMAGICS;
- unsigned int lversions[MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS;
- unsigned int gmagics[MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS;
- unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
- unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
- GROUP_QUOTA_SYSTEM_INODE };
+ unsigned int lmagics[OCFS2_MAXQUOTAS] = OCFS2_LOCAL_QMAGICS;
+ unsigned int lversions[OCFS2_MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS;
+ unsigned int gmagics[OCFS2_MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS;
+ unsigned int gversions[OCFS2_MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
+ unsigned int ino[OCFS2_MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
+ GROUP_QUOTA_SYSTEM_INODE };
struct buffer_head *bh = NULL;
struct inode *linode = sb_dqopt(sb)->files[type];
struct inode *ginode = NULL;
@@ -336,7 +336,7 @@ void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec)
{
int type;
- for (type = 0; type < MAXQUOTAS; type++)
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++)
free_recovery_list(&(rec->r_list[type]));
kfree(rec);
}
@@ -382,7 +382,7 @@ static struct ocfs2_quota_recovery *ocfs2_alloc_quota_recovery(void)
rec = kmalloc(sizeof(struct ocfs2_quota_recovery), GFP_NOFS);
if (!rec)
return NULL;
- for (type = 0; type < MAXQUOTAS; type++)
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++)
INIT_LIST_HEAD(&(rec->r_list[type]));
return rec;
}
@@ -392,10 +392,11 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
struct ocfs2_super *osb,
int slot_num)
{
- unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
- OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
- unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
- LOCAL_GROUP_QUOTA_SYSTEM_INODE };
+ unsigned int feature[OCFS2_MAXQUOTAS] = {
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+ unsigned int ino[OCFS2_MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+ LOCAL_GROUP_QUOTA_SYSTEM_INODE };
struct super_block *sb = osb->sb;
struct ocfs2_local_disk_dqinfo *ldinfo;
struct inode *lqinode;
@@ -412,7 +413,7 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
return ERR_PTR(-ENOMEM);
/* First init... */
- for (type = 0; type < MAXQUOTAS; type++) {
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
continue;
/* At this point, journal of the slot is already replayed so
@@ -589,8 +590,8 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
struct ocfs2_quota_recovery *rec,
int slot_num)
{
- unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
- LOCAL_GROUP_QUOTA_SYSTEM_INODE };
+ unsigned int ino[OCFS2_MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+ LOCAL_GROUP_QUOTA_SYSTEM_INODE };
struct super_block *sb = osb->sb;
struct ocfs2_local_disk_dqinfo *ldinfo;
struct buffer_head *bh;
@@ -604,7 +605,7 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
"slot %u\n", osb->dev_str, slot_num);
mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
- for (type = 0; type < MAXQUOTAS; type++) {
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
if (list_empty(&(rec->r_list[type])))
continue;
trace_ocfs2_finish_quota_recovery(slot_num);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 4142546..93c85bc 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -899,11 +899,12 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
{
int type;
struct super_block *sb = osb->sb;
- unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
- OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+ unsigned int feature[OCFS2_MAXQUOTAS] = {
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
int status = 0;
- for (type = 0; type < MAXQUOTAS; type++) {
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
continue;
if (unsuspend)
@@ -927,17 +928,19 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
static int ocfs2_enable_quotas(struct ocfs2_super *osb)
{
- struct inode *inode[MAXQUOTAS] = { NULL, NULL };
+ struct inode *inode[OCFS2_MAXQUOTAS] = { NULL, NULL };
struct super_block *sb = osb->sb;
- unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
- OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
- unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
+ unsigned int feature[OCFS2_MAXQUOTAS] = {
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+ unsigned int ino[OCFS2_MAXQUOTAS] = {
+ LOCAL_USER_QUOTA_SYSTEM_INODE,
LOCAL_GROUP_QUOTA_SYSTEM_INODE };
int status;
int type;
sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE;
- for (type = 0; type < MAXQUOTAS; type++) {
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
continue;
inode[type] = ocfs2_get_system_file_inode(osb, ino[type],
@@ -952,12 +955,12 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb)
goto out_quota_off;
}
- for (type = 0; type < MAXQUOTAS; type++)
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++)
iput(inode[type]);
return 0;
out_quota_off:
ocfs2_disable_quotas(osb);
- for (type = 0; type < MAXQUOTAS; type++)
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++)
iput(inode[type]);
mlog_errno(status);
return status;
@@ -972,7 +975,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
/* We mostly ignore errors in this function because there's not much
* we can do when we see them */
- for (type = 0; type < MAXQUOTAS; type++) {
+ for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
if (!sb_has_quota_loaded(sb, type))
continue;
/* Cancel periodic syncing before we grab dqonoff_mutex */
@@ -993,8 +996,9 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
/* Handle quota on quotactl */
static int ocfs2_quota_on(struct super_block *sb, int type, int format_id)
{
- unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
- OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
+ unsigned int feature[OCFS2_MAXQUOTAS] = {
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
return -EINVAL;
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 735c2c2..1894d96 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -506,6 +506,9 @@ typedef struct reiserfs_proc_info_data {
} reiserfs_proc_info_data_t;
#endif
+/* Number of quota types we support */
+#define REISERFS_MAXQUOTAS 2
+
/* reiserfs union of in-core super block data */
struct reiserfs_sb_info {
/* Buffer containing the super block */
@@ -615,7 +618,7 @@ struct reiserfs_sb_info {
spinlock_t old_work_lock; /* protects old_work and work_queued */
#ifdef CONFIG_QUOTA
- char *s_qf_names[MAXQUOTAS];
+ char *s_qf_names[REISERFS_MAXQUOTAS];
int s_jquota_fmt;
#endif
char *s_jdev; /* Stored jdev for mount option showing */
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index d46e88a..f1376c9 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -206,7 +206,7 @@ static int finish_unfinished(struct super_block *s)
#ifdef CONFIG_QUOTA
int i;
int ms_active_set;
- int quota_enabled[MAXQUOTAS];
+ int quota_enabled[REISERFS_MAXQUOTAS];
#endif
/* compose key to look for "save" links */
@@ -227,7 +227,7 @@ static int finish_unfinished(struct super_block *s)
s->s_flags |= MS_ACTIVE;
}
/* Turn on quotas so that they are updated correctly */
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
quota_enabled[i] = 1;
if (REISERFS_SB(s)->s_qf_names[i]) {
int ret;
@@ -370,7 +370,7 @@ static int finish_unfinished(struct super_block *s)
#ifdef CONFIG_QUOTA
/* Turn quotas off */
reiserfs_write_unlock(s);
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
if (sb_dqopt(s)->files[i] && quota_enabled[i])
dquot_quota_off(s, i);
}
@@ -1360,7 +1360,7 @@ static void handle_quota_files(struct super_block *s, char **qf_names,
{
int i;
- for (i = 0; i < MAXQUOTAS; i++) {
+ for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
kfree(REISERFS_SB(s)->s_qf_names[i]);
REISERFS_SB(s)->s_qf_names[i] = qf_names[i];
@@ -1381,7 +1381,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
struct reiserfs_journal *journal = SB_JOURNAL(s);
char *new_opts = kstrdup(arg, GFP_KERNEL);
int err;
- char *qf_names[MAXQUOTAS];
+ char *qf_names[REISERFS_MAXQUOTAS];
unsigned int qfmt = 0;
#ifdef CONFIG_QUOTA
int i;
@@ -1400,7 +1400,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
(s, arg, &mount_options, &blocks, NULL, &commit_max_age,
qf_names, &qfmt)) {
#ifdef CONFIG_QUOTA
- for (i = 0; i < MAXQUOTAS; i++)
+ for (i = 0; i < REISERFS_MAXQUOTAS; i++)
if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
kfree(qf_names[i]);
#endif
@@ -1844,7 +1844,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
char *jdev_name;
struct reiserfs_sb_info *sbi;
int errval = -EINVAL;
- char *qf_names[MAXQUOTAS] = {};
+ char *qf_names[REISERFS_MAXQUOTAS] = {};
unsigned int qfmt = 0;
save_mount_options(s, data);
@@ -2169,7 +2169,7 @@ error_unlocked:
#ifdef CONFIG_QUOTA
{
int j;
- for (j = 0; j < MAXQUOTAS; j++)
+ for (j = 0; j < REISERFS_MAXQUOTAS; j++)
kfree(qf_names[j]);
}
#endif
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 86c6743..bb15771 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -223,11 +223,18 @@ out:
static int udf_release_file(struct inode *inode, struct file *filp)
{
- if (filp->f_mode & FMODE_WRITE) {
+ if (filp->f_mode & FMODE_WRITE &&
+ atomic_read(&inode->i_writecount) > 1) {
+ /*
+ * Grab i_mutex to avoid races with writes changing i_size
+ * while we are running.
+ */
+ mutex_lock(&inode->i_mutex);
down_write(&UDF_I(inode)->i_data_sem);
udf_discard_prealloc(inode);
udf_truncate_tail_extent(inode);
up_write(&UDF_I(inode)->i_data_sem);
+ mutex_unlock(&inode->i_mutex);
}
return 0;
}
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 0859884..c9b4df5 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1277,7 +1277,7 @@ update_time:
*/
#define UDF_MAX_ICB_NESTING 1024
-static int udf_read_inode(struct inode *inode)
+static int udf_read_inode(struct inode *inode, bool hidden_inode)
{
struct buffer_head *bh = NULL;
struct fileEntry *fe;
@@ -1436,8 +1436,11 @@ reread:
link_count = le16_to_cpu(fe->fileLinkCount);
if (!link_count) {
- ret = -ESTALE;
- goto out;
+ if (!hidden_inode) {
+ ret = -ESTALE;
+ goto out;
+ }
+ link_count = 1;
}
set_nlink(inode, link_count);
@@ -1826,7 +1829,8 @@ out:
return err;
}
-struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
+struct inode *__udf_iget(struct super_block *sb, struct kernel_lb_addr *ino,
+ bool hidden_inode)
{
unsigned long block = udf_get_lb_pblock(sb, ino, 0);
struct inode *inode = iget_locked(sb, block);
@@ -1839,7 +1843,7 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
return inode;
memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr));
- err = udf_read_inode(inode);
+ err = udf_read_inode(inode, hidden_inode);
if (err < 0) {
iget_failed(inode);
return ERR_PTR(err);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 5401fc3..e229315 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -959,7 +959,7 @@ struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
addr.logicalBlockNum = meta_file_loc;
addr.partitionReferenceNum = partition_num;
- metadata_fe = udf_iget(sb, &addr);
+ metadata_fe = udf_iget_special(sb, &addr);
if (IS_ERR(metadata_fe)) {
udf_warn(sb, "metadata inode efe not found\n");
@@ -1020,7 +1020,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition)
udf_debug("Bitmap file location: block = %d part = %d\n",
addr.logicalBlockNum, addr.partitionReferenceNum);
- fe = udf_iget(sb, &addr);
+ fe = udf_iget_special(sb, &addr);
if (IS_ERR(fe)) {
if (sb->s_flags & MS_RDONLY)
udf_warn(sb, "bitmap inode efe not found but it's ok since the disc is mounted read-only\n");
@@ -1119,7 +1119,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
};
struct inode *inode;
- inode = udf_iget(sb, &loc);
+ inode = udf_iget_special(sb, &loc);
if (IS_ERR(inode)) {
udf_debug("cannot load unallocSpaceTable (part %d)\n",
p_index);
@@ -1154,7 +1154,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
};
struct inode *inode;
- inode = udf_iget(sb, &loc);
+ inode = udf_iget_special(sb, &loc);
if (IS_ERR(inode)) {
udf_debug("cannot load freedSpaceTable (part %d)\n",
p_index);
@@ -1198,7 +1198,7 @@ static void udf_find_vat_block(struct super_block *sb, int p_index,
vat_block >= map->s_partition_root &&
vat_block >= start_block - 3; vat_block--) {
ino.logicalBlockNum = vat_block - map->s_partition_root;
- inode = udf_iget(sb, &ino);
+ inode = udf_iget_special(sb, &ino);
if (!IS_ERR(inode)) {
sbi->s_vat_inode = inode;
break;
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 742557b..1cc3c99 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -138,7 +138,18 @@ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
/* file.c */
extern long udf_ioctl(struct file *, unsigned int, unsigned long);
/* inode.c */
-extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);
+extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,
+ bool hidden_inode);
+static inline struct inode *udf_iget_special(struct super_block *sb,
+ struct kernel_lb_addr *ino)
+{
+ return __udf_iget(sb, ino, true);
+}
+static inline struct inode *udf_iget(struct super_block *sb,
+ struct kernel_lb_addr *ino)
+{
+ return __udf_iget(sb, ino, false);
+}
extern int udf_expand_file_adinicb(struct inode *);
extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c
index 1f11483..77c331f 100644
--- a/fs/udf/udftime.c
+++ b/fs/udf/udftime.c
@@ -81,8 +81,6 @@ static time_t year_seconds[MAX_YEAR_SECONDS] = {
/*2038*/ SPY(68, 17, 0)
};
-extern struct timezone sys_tz;
-
#define SECS_PER_HOUR (60 * 60)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
OpenPOWER on IntegriCloud