Messages in this thread Patch in this message | | | Date | Sun, 19 Mar 2006 21:32:15 -0500 | From | Phillip Susi <> | Subject | [PATCH] udf: fix uid/gid options and add uid/gid=ignore and forget options |
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This patch corrects the incorrect patch previously applied in commit 4d6660eb3665f22d16aff466eb9d45df6102b254. I had posted the correction as a reply on lkml, but it seems that the earlier and incorrect patch got merged into Linus's tree. This patch also adds documentation for the changes made last time.
---
Documentation/filesystems/udf.txt | 14 ++++++++++++++ fs/udf/inode.c | 6 ++---- 2 files changed, 16 insertions(+), 4 deletions(-)
83a730fb2e864dae308008d83c5d804afc539f08 diff --git a/Documentation/filesystems/udf.txt b/Documentation/filesystems/udf.txt index e5213bc..85ff288 100644 --- a/Documentation/filesystems/udf.txt +++ b/Documentation/filesystems/udf.txt @@ -26,6 +26,20 @@ The following mount options are supporte nostrict Unset strict conformance iocharset= Set the NLS character set
+The uid= and gid= options need a bit more explaining. They will accept a +decimal numeric value which will be used as the default ID for that mount. +They will also accept the string "ignore" and "forget". For files on the disk +that are owned by nobody ( -1 ), they will instead look as if they are owned +by the default ID. The ignore option causes the default ID to override all +IDs on the disk, not just -1. The forget option causes all IDs to be written +to disk as -1, so when the media is later remounted, they will appear to be +owned by whatever default ID it is mounted with at that time. + +For typical desktop use of removable media, you should set the ID to that +of the interactively logged on user, and also specify both the forget and +ignore options. This way the interactive user will always see the files +on the disk as belonging to him. + The remaining are for debugging and disaster recovery:
novrs Skip volume sequence recognition diff --git a/fs/udf/inode.c b/fs/udf/inode.c index d04cff2..81e0e84 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1341,13 +1341,11 @@ udf_update_inode(struct inode *inode, in
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET)) fe->uid = cpu_to_le32(-1); - else if (inode->i_uid != UDF_SB(inode->i_sb)->s_uid) - fe->uid = cpu_to_le32(inode->i_uid); + else fe->uid = cpu_to_le32(inode->i_uid);
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET)) fe->gid = cpu_to_le32(-1); - else if (inode->i_gid != UDF_SB(inode->i_sb)->s_gid) - fe->gid = cpu_to_le32(inode->i_gid); + else fe->gid = cpu_to_le32(inode->i_gid);
udfperms = ((inode->i_mode & S_IRWXO) ) | ((inode->i_mode & S_IRWXG) << 2) | -- 1.1.3
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