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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-19 09:42:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-19 09:42:37 -0700
commitcfb82e1df8b7c76991ea12958855897c2fb4debc (patch)
tree7419ef2cef9ec1ea43b78619af6ddd3471152a44 /fs/coda
parentb41dae061bbd722b9d7fa828f35d22035b218e18 (diff)
parentcba465b4f9820b0d929822a70341dde14909fc18 (diff)
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Merge tag 'y2038-vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground
Pull y2038 vfs updates from Arnd Bergmann: "Add inode timestamp clamping. This series from Deepa Dinamani adds a per-superblock minimum/maximum timestamp limit for a file system, and clamps timestamps as they are written, to avoid random behavior from integer overflow as well as having different time stamps on disk vs in memory. At mount time, a warning is now printed for any file system that can represent current timestamps but not future timestamps more than 30 years into the future, similar to the arbitrary 30 year limit that was added to settimeofday(). This was picked as a compromise to warn users to migrate to other file systems (e.g. ext4 instead of ext3) when they need the file system to survive beyond 2038 (or similar limits in other file systems), but not get in the way of normal usage" * tag 'y2038-vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground: ext4: Reduce ext4 timestamp warnings isofs: Initialize filesystem timestamp ranges pstore: fs superblock limits fs: omfs: Initialize filesystem timestamp ranges fs: hpfs: Initialize filesystem timestamp ranges fs: ceph: Initialize filesystem timestamp ranges fs: sysv: Initialize filesystem timestamp ranges fs: affs: Initialize filesystem timestamp ranges fs: fat: Initialize filesystem timestamp ranges fs: cifs: Initialize filesystem timestamp ranges fs: nfs: Initialize filesystem timestamp ranges ext4: Initialize timestamps limits 9p: Fill min and max timestamps in sb fs: Fill in max and min timestamps in superblock utimes: Clamp the timestamps before update mount: Add mount warning for impending timestamp expiry timestamp_truncate: Replace users of timespec64_trunc vfs: Add timestamp_truncate() api vfs: Add file timestamp range support
Diffstat (limited to 'fs/coda')
-rw-r--r--fs/coda/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 321f56e487cb..b1c70e2b9b1e 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -188,6 +188,9 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = CODA_SUPER_MAGIC;
sb->s_op = &coda_super_operations;
sb->s_d_op = &coda_dentry_operations;
+ sb->s_time_gran = 1;
+ sb->s_time_min = S64_MIN;
+ sb->s_time_max = S64_MAX;
error = super_setup_bdi(sb);
if (error)