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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 14:26:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 14:26:52 -0400
commit5f248c9c251c60af3403902b26e08de43964ea0b (patch)
tree6d3328e72a7e4015a64017eb30be18095c6a3c64 /fs/udf/inode.c
parentf6cec0ae58c17522a7bc4e2f39dae19f199ab534 (diff)
parentdca332528bc69e05f67161e1ed59929633d5e63d (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
Diffstat (limited to 'fs/udf/inode.c')
-rw-r--r--fs/udf/inode.c61
1 files changed, 29 insertions, 32 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852bcf6fe..fc48f37aa2dd 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -68,37 +68,23 @@ static void udf_update_extents(struct inode *,
68static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int); 68static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
69 69
70 70
71void udf_delete_inode(struct inode *inode) 71void udf_evict_inode(struct inode *inode)
72{
73 truncate_inode_pages(&inode->i_data, 0);
74
75 if (is_bad_inode(inode))
76 goto no_delete;
77
78 inode->i_size = 0;
79 udf_truncate(inode);
80 lock_kernel();
81
82 udf_update_inode(inode, IS_SYNC(inode));
83 udf_free_inode(inode);
84
85 unlock_kernel();
86 return;
87
88no_delete:
89 clear_inode(inode);
90}
91
92/*
93 * If we are going to release inode from memory, we truncate last inode extent
94 * to proper length. We could use drop_inode() but it's called under inode_lock
95 * and thus we cannot mark inode dirty there. We use clear_inode() but we have
96 * to make sure to write inode as it's not written automatically.
97 */
98void udf_clear_inode(struct inode *inode)
99{ 72{
100 struct udf_inode_info *iinfo = UDF_I(inode); 73 struct udf_inode_info *iinfo = UDF_I(inode);
74 int want_delete = 0;
75
76 truncate_inode_pages(&inode->i_data, 0);
101 77
78 if (!inode->i_nlink && !is_bad_inode(inode)) {
79 want_delete = 1;
80 inode->i_size = 0;
81 udf_truncate(inode);
82 lock_kernel();
83 udf_update_inode(inode, IS_SYNC(inode));
84 unlock_kernel();
85 }
86 invalidate_inode_buffers(inode);
87 end_writeback(inode);
102 if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB && 88 if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
103 inode->i_size != iinfo->i_lenExtents) { 89 inode->i_size != iinfo->i_lenExtents) {
104 printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has " 90 printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has "
@@ -108,9 +94,13 @@ void udf_clear_inode(struct inode *inode)
108 (unsigned long long)inode->i_size, 94 (unsigned long long)inode->i_size,
109 (unsigned long long)iinfo->i_lenExtents); 95 (unsigned long long)iinfo->i_lenExtents);
110 } 96 }
111
112 kfree(iinfo->i_ext.i_data); 97 kfree(iinfo->i_ext.i_data);
113 iinfo->i_ext.i_data = NULL; 98 iinfo->i_ext.i_data = NULL;
99 if (want_delete) {
100 lock_kernel();
101 udf_free_inode(inode);
102 unlock_kernel();
103 }
114} 104}
115 105
116static int udf_writepage(struct page *page, struct writeback_control *wbc) 106static int udf_writepage(struct page *page, struct writeback_control *wbc)
@@ -127,9 +117,16 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
127 loff_t pos, unsigned len, unsigned flags, 117 loff_t pos, unsigned len, unsigned flags,
128 struct page **pagep, void **fsdata) 118 struct page **pagep, void **fsdata)
129{ 119{
130 *pagep = NULL; 120 int ret;
131 return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, 121
132 udf_get_block); 122 ret = block_write_begin(mapping, pos, len, flags, pagep, udf_get_block);
123 if (unlikely(ret)) {
124 loff_t isize = mapping->host->i_size;
125 if (pos + len > isize)
126 vmtruncate(mapping->host, isize);
127 }
128
129 return ret;
133} 130}
134 131
135static sector_t udf_bmap(struct address_space *mapping, sector_t block) 132static sector_t udf_bmap(struct address_space *mapping, sector_t block)