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-rw-r--r--fs/binfmt_elf.c1
-rw-r--r--fs/btrfs/inode.c13
-rw-r--r--fs/coredump.c18
-rw-r--r--fs/nfs/nfs4proc.c2
-rw-r--r--fs/ocfs2/cluster/heartbeat.c8
5 files changed, 35 insertions, 7 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 0c52941dd62c..6c031dd1bc4e 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2295,6 +2295,7 @@ static int elf_core_dump(struct coredump_params *cprm)
goto end_coredump;
}
}
+ dump_truncate(cprm);
if (!elf_core_write_extra_data(cprm))
goto end_coredump;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 863fa0f1972b..a61926cb01c0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4397,8 +4397,19 @@ search_again:
if (found_type > min_type) {
del_item = 1;
} else {
- if (item_end < new_size)
+ if (item_end < new_size) {
+ /*
+ * With NO_HOLES mode, for the following mapping
+ *
+ * [0-4k][hole][8k-12k]
+ *
+ * if truncating isize down to 6k, it ends up
+ * isize being 8k.
+ */
+ if (btrfs_fs_incompat(root->fs_info, NO_HOLES))
+ last_size = new_size;
break;
+ }
if (found_key.offset >= new_size)
del_item = 1;
else
diff --git a/fs/coredump.c b/fs/coredump.c
index fe0a28da18a6..2ce5ef429c48 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -810,3 +810,21 @@ int dump_align(struct coredump_params *cprm, int align)
return mod ? dump_skip(cprm, align - mod) : 1;
}
EXPORT_SYMBOL(dump_align);
+
+/*
+ * Ensures that file size is big enough to contain the current file
+ * postion. This prevents gdb from complaining about a truncated file
+ * if the last "write" to the file was dump_skip.
+ */
+void dump_truncate(struct coredump_params *cprm)
+{
+ struct file *file = cprm->file;
+ loff_t offset;
+
+ if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
+ offset = file->f_op->llseek(file, 0, SEEK_CUR);
+ if (i_size_read(file->f_mapping->host) < offset)
+ do_truncate(file->f_path.dentry, offset, 0, file);
+ }
+}
+EXPORT_SYMBOL(dump_truncate);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4e3679b25b9b..8e425f2c5ddd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2188,8 +2188,6 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0)
return 0;
- /* even though OPEN succeeded, access is denied. Close the file */
- nfs4_close_state(state, fmode);
return -EACCES;
}
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 709fbbd44c65..acebc350e98d 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -2070,13 +2070,13 @@ unlock:
spin_unlock(&o2hb_live_lock);
}
-static ssize_t o2hb_heartbeat_group_threshold_show(struct config_item *item,
+static ssize_t o2hb_heartbeat_group_dead_threshold_show(struct config_item *item,
char *page)
{
return sprintf(page, "%u\n", o2hb_dead_threshold);
}
-static ssize_t o2hb_heartbeat_group_threshold_store(struct config_item *item,
+static ssize_t o2hb_heartbeat_group_dead_threshold_store(struct config_item *item,
const char *page, size_t count)
{
unsigned long tmp;
@@ -2125,11 +2125,11 @@ static ssize_t o2hb_heartbeat_group_mode_store(struct config_item *item,
}
-CONFIGFS_ATTR(o2hb_heartbeat_group_, threshold);
+CONFIGFS_ATTR(o2hb_heartbeat_group_, dead_threshold);
CONFIGFS_ATTR(o2hb_heartbeat_group_, mode);
static struct configfs_attribute *o2hb_heartbeat_group_attrs[] = {
- &o2hb_heartbeat_group_attr_threshold,
+ &o2hb_heartbeat_group_attr_dead_threshold,
&o2hb_heartbeat_group_attr_mode,
NULL,
};