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authorDan Williams <dan.j.williams@intel.com>2009-09-09 02:55:21 +0200
committerDan Williams <dan.j.williams@intel.com>2009-09-09 02:55:21 +0200
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /fs/inode.c
parentMerge branch 'iop-raid6' into async-tx-next (diff)
parentdmaengine: Move all map_sg/unmap_sg for slave channel to its client (diff)
downloadlinux-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.xz
linux-bbb20089a3275a19e475dbc21320c3742e3ca423.zip
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/fs/inode.c b/fs/inode.c
index bca0c618fdb3..901bad1e5f12 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -22,8 +22,10 @@
#include <linux/cdev.h>
#include <linux/bootmem.h>
#include <linux/inotify.h>
+#include <linux/fsnotify.h>
#include <linux/mount.h>
#include <linux/async.h>
+#include <linux/posix_acl.h>
/*
* This is needed for the following functions:
@@ -188,6 +190,13 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode)
}
inode->i_private = NULL;
inode->i_mapping = mapping;
+#ifdef CONFIG_FS_POSIX_ACL
+ inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED;
+#endif
+
+#ifdef CONFIG_FSNOTIFY
+ inode->i_fsnotify_mask = 0;
+#endif
return inode;
@@ -221,6 +230,13 @@ void destroy_inode(struct inode *inode)
BUG_ON(inode_has_buffers(inode));
ima_inode_free(inode);
security_inode_free(inode);
+ fsnotify_inode_delete(inode);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED)
+ posix_acl_release(inode->i_acl);
+ if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED)
+ posix_acl_release(inode->i_default_acl);
+#endif
if (inode->i_sb->s_op->destroy_inode)
inode->i_sb->s_op->destroy_inode(inode);
else
@@ -252,6 +268,9 @@ void inode_init_once(struct inode *inode)
INIT_LIST_HEAD(&inode->inotify_watches);
mutex_init(&inode->inotify_mutex);
#endif
+#ifdef CONFIG_FSNOTIFY
+ INIT_HLIST_HEAD(&inode->i_fsnotify_mark_entries);
+#endif
}
EXPORT_SYMBOL(inode_init_once);
@@ -398,6 +417,7 @@ int invalidate_inodes(struct super_block *sb)
mutex_lock(&iprune_mutex);
spin_lock(&inode_lock);
inotify_unmount_inodes(&sb->s_inodes);
+ fsnotify_unmount_inodes(&sb->s_inodes);
busy = invalidate_list(&sb->s_inodes, &throw_away);
spin_unlock(&inode_lock);
@@ -655,12 +675,17 @@ void unlock_new_inode(struct inode *inode)
if (inode->i_mode & S_IFDIR) {
struct file_system_type *type = inode->i_sb->s_type;
- /*
- * ensure nobody is actually holding i_mutex
- */
- mutex_destroy(&inode->i_mutex);
- mutex_init(&inode->i_mutex);
- lockdep_set_class(&inode->i_mutex, &type->i_mutex_dir_key);
+ /* Set new key only if filesystem hasn't already changed it */
+ if (!lockdep_match_class(&inode->i_mutex,
+ &type->i_mutex_key)) {
+ /*
+ * ensure nobody is actually holding i_mutex
+ */
+ mutex_destroy(&inode->i_mutex);
+ mutex_init(&inode->i_mutex);
+ lockdep_set_class(&inode->i_mutex,
+ &type->i_mutex_dir_key);
+ }
}
#endif
/*
@@ -1398,7 +1423,7 @@ EXPORT_SYMBOL(touch_atime);
* for writeback. Note that this function is meant exclusively for
* usage in the file write path of filesystems, and filesystems may
* choose to explicitly ignore update via this function with the
- * S_NOCTIME inode flag, e.g. for network filesystem where these
+ * S_NOCMTIME inode flag, e.g. for network filesystem where these
* timestamps are handled by the server.
*/
@@ -1412,7 +1437,7 @@ void file_update_time(struct file *file)
if (IS_NOCMTIME(inode))
return;
- err = mnt_want_write(file->f_path.mnt);
+ err = mnt_want_write_file(file);
if (err)
return;