X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fjfs%2Fjfs_inode.c;h=8512641bc33ca19b510e4646e76658a50c4a260a;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=c41d95833a1b0005e4b6e21c9615058724a4450d;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index c41d95833..8512641bc 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -18,13 +18,75 @@
 
 #include <linux/fs.h>
 #include <linux/quotaops.h>
+#include <linux/vs_dlimit.h>
 #include <linux/vserver/xid.h>
 #include "jfs_incore.h"
+#include "jfs_inode.h"
 #include "jfs_filsys.h"
 #include "jfs_imap.h"
 #include "jfs_dinode.h"
 #include "jfs_debug.h"
 
+
+void jfs_set_inode_flags(struct inode *inode)
+{
+	unsigned int flags = JFS_IP(inode)->mode2;
+
+	inode->i_flags &= ~(S_IMMUTABLE | S_IUNLINK | S_BARRIER |
+		S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+	if (flags & JFS_IMMUTABLE_FL)
+		inode->i_flags |= S_IMMUTABLE;
+	if (flags & JFS_IUNLINK_FL)
+		inode->i_flags |= S_IUNLINK;
+	if (flags & JFS_BARRIER_FL)
+		inode->i_flags |= S_BARRIER;
+
+	if (flags & JFS_SYNC_FL)
+		inode->i_flags |= S_SYNC;
+	if (flags & JFS_APPEND_FL)
+		inode->i_flags |= S_APPEND;
+	if (flags & JFS_NOATIME_FL)
+		inode->i_flags |= S_NOATIME;
+	if (flags & JFS_DIRSYNC_FL)
+		inode->i_flags |= S_DIRSYNC;
+}
+
+int jfs_sync_flags(struct inode *inode)
+{
+	unsigned int oldflags, newflags;
+
+	oldflags = JFS_IP(inode)->mode2;
+	newflags = oldflags & ~(JFS_APPEND_FL |
+		JFS_IMMUTABLE_FL | JFS_IUNLINK_FL |
+		JFS_BARRIER_FL | JFS_NOATIME_FL |
+		JFS_SYNC_FL | JFS_DIRSYNC_FL);
+
+	if (IS_APPEND(inode))
+		newflags |= JFS_APPEND_FL;
+	if (IS_IMMUTABLE(inode))
+		newflags |= JFS_IMMUTABLE_FL;
+	if (IS_IUNLINK(inode))
+		newflags |= JFS_IUNLINK_FL;
+	if (IS_BARRIER(inode))
+		newflags |= JFS_BARRIER_FL;
+
+	/* we do not want to copy superblock flags */
+	if (inode->i_flags & S_NOATIME)
+		newflags |= JFS_NOATIME_FL;
+	if (inode->i_flags & S_SYNC)
+		newflags |= JFS_SYNC_FL;
+	if (inode->i_flags & S_DIRSYNC)
+		newflags |= JFS_DIRSYNC_FL;
+
+	if (oldflags ^ newflags) {
+		JFS_IP(inode)->mode2 = newflags;
+		inode->i_ctime = CURRENT_TIME;
+		mark_inode_dirty(inode);
+	}
+	return 0;
+}
+
 /*
  * NAME:	ialloc()
  *
@@ -61,12 +123,25 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 			mode |= S_ISGID;
 	} else
 		inode->i_gid = current->fsgid;
+
+	/*
+	 * New inodes need to save sane values on disk when
+	 * uid & gid mount options are used
+	 */
+	jfs_inode->saved_uid = inode->i_uid;
+	jfs_inode->saved_gid = inode->i_gid;
+
 	inode->i_xid = vx_current_fsxid(sb);
+	if (DLIMIT_ALLOC_INODE(inode)) {
+		iput(inode);
+		return NULL;
+	}
 
 	/*
 	 * Allocate inode to quota.
 	 */
 	if (DQUOT_ALLOC_INODE(inode)) {
+		DLIMIT_FREE_INODE(inode);
 		DQUOT_DROP(inode);
 		inode->i_flags |= S_NOQUOTA;
 		inode->i_nlink = 0;
@@ -75,10 +150,20 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	}
 
 	inode->i_mode = mode;
-	if (S_ISDIR(mode))
-		jfs_inode->mode2 = IDIRECTORY | mode;
-	else
-		jfs_inode->mode2 = INLINEEA | ISPARSE | mode;
+	/* inherit flags from parent */
+	jfs_inode->mode2 = JFS_IP(parent)->mode2 & JFS_FL_INHERIT;
+
+	if (S_ISDIR(mode)) {
+		jfs_inode->mode2 |= IDIRECTORY;
+		jfs_inode->mode2 &= ~JFS_DIRSYNC_FL;
+	}
+	else {
+		jfs_inode->mode2 |= INLINEEA | ISPARSE;
+		if (S_ISLNK(mode))
+			jfs_inode->mode2 &= ~(JFS_IMMUTABLE_FL|JFS_APPEND_FL);
+	}
+	jfs_inode->mode2 |= mode;
+
 	inode->i_blksize = sb->s_blocksize;
 	inode->i_blocks = 0;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
@@ -99,6 +184,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	jfs_inode->atlhead = 0;
 	jfs_inode->atltail = 0;
 	jfs_inode->xtlid = 0;
+	jfs_set_inode_flags(inode);
 
 	jfs_info("ialloc returns inode = 0x%p\n", inode);