- patches.apparmor/remove_suid_new_case_in_2.6.22.diff: Merge fix.

[linux-flexiantxendom0-3.2.10.git] / fs / ext3 / inode.c

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 4d1fb39..0810a7a 100644 (file)
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -27,7 +27,6 @@
 #include <linux/time.h>
 #include <linux/ext3_jbd.h>
 #include <linux/jbd.h>
-#include <linux/smp_lock.h>
 #include <linux/highuid.h>
 #include <linux/pagemap.h>
 #include <linux/quotaops.h>
@@ -1769,7 +1768,6 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page,
        struct inode *inode = mapping->host;
        struct buffer_head *bh;
        int err = 0;
-       void *kaddr;
 
        blocksize = inode->i_sb->s_blocksize;
        length = blocksize - (offset & (blocksize - 1));
@@ -1781,10 +1779,7 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page,
         */
        if (!page_has_buffers(page) && test_opt(inode->i_sb, NOBH) &&
             ext3_should_writeback_data(inode) && PageUptodate(page)) {
-               kaddr = kmap_atomic(page, KM_USER0);
-               memset(kaddr + offset, 0, length);
-               flush_dcache_page(page);
-               kunmap_atomic(kaddr, KM_USER0);
+               zero_user_page(page, offset, length, KM_USER0);
                set_page_dirty(page);
                goto unlock;
        }
@@ -1837,11 +1832,7 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page,
                        goto unlock;
        }
 
-       kaddr = kmap_atomic(page, KM_USER0);
-       memset(kaddr + offset, 0, length);
-       flush_dcache_page(page);
-       kunmap_atomic(kaddr, KM_USER0);
-
+       zero_user_page(page, offset, length, KM_USER0);
        BUFFER_TRACE(bh, "zeroed end of block");
 
        err = 0;
@@ -2582,6 +2573,25 @@ void ext3_set_inode_flags(struct inode *inode)
                inode->i_flags |= S_DIRSYNC;
 }
 
+/* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
+void ext3_get_inode_flags(struct ext3_inode_info *ei)
+{
+       unsigned int flags = ei->vfs_inode.i_flags;
+
+       ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
+                       EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
+       if (flags & S_SYNC)
+               ei->i_flags |= EXT3_SYNC_FL;
+       if (flags & S_APPEND)
+               ei->i_flags |= EXT3_APPEND_FL;
+       if (flags & S_IMMUTABLE)
+               ei->i_flags |= EXT3_IMMUTABLE_FL;
+       if (flags & S_NOATIME)
+               ei->i_flags |= EXT3_NOATIME_FL;
+       if (flags & S_DIRSYNC)
+               ei->i_flags |= EXT3_DIRSYNC_FL;
+}
+
 void ext3_read_inode(struct inode * inode)
 {
        struct ext3_iloc iloc;
@@ -2609,9 +2619,9 @@ void ext3_read_inode(struct inode * inode)
        }
        inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
        inode->i_size = le32_to_cpu(raw_inode->i_size);
-       inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime);
-       inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime);
-       inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime);
+       inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+       inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime);
+       inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime);
        inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0;
 
        ei->i_state = 0;
@@ -2737,6 +2747,7 @@ static int ext3_do_update_inode(handle_t *handle,
        if (ei->i_state & EXT3_STATE_NEW)
                memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);
 
+       ext3_get_inode_flags(ei);
        raw_inode->i_mode = cpu_to_le16(inode->i_mode);
        if(!(test_opt(inode->i_sb, NO_UID32))) {
                raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));