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| author |   Deepa Dinamani <deepa.kernel@gmail.com> | 2019-06-23 16:17:10 -0700 |
|---|---|---|
| committer | Deepa Dinamani <deepa.kernel@gmail.com> | 2019-08-30 08:11:25 -0700 |
| commit | 5ad32b3acded06183f40806f76b030c3143017bb (patch) | |
| tree | 7f17946e0cd3675828ae73c84feb4adad522f65d /fs/isofs | |
| parent | pstore: fs superblock limits (diff) | |
| download | wireguard-linux-5ad32b3acded06183f40806f76b030c3143017bb.tar.xz wireguard-linux-5ad32b3acded06183f40806f76b030c3143017bb.zip | |
isofs: Initialize filesystem timestamp ranges
Fill in the appropriate limits to avoid inconsistencies
in the vfs cached inode times when timestamps are
outside the permitted range.
Reference: http://www.ecma-international.org/publications/standards/Ecma-119.htm
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'fs/isofs')
| -rw-r--r-- | fs/isofs/inode.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 9e30d8703735..62c0462dc89f 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -30,6 +30,9 @@ #include "isofs.h" #include "zisofs.h" +/* max tz offset is 13 hours */ +#define MAX_TZ_OFFSET (52*15*60) + #define BEQUIET static int isofs_hashi(const struct dentry *parent, struct qstr *qstr); @@ -801,6 +804,10 @@ root_found: */ s->s_maxbytes = 0x80000000000LL; + /* ECMA-119 timestamp from 1900/1/1 with tz offset */ + s->s_time_min = mktime64(1900, 1, 1, 0, 0, 0) - MAX_TZ_OFFSET; + s->s_time_max = mktime64(U8_MAX+1900, 12, 31, 23, 59, 59) + MAX_TZ_OFFSET; + /* Set this for reference. Its not currently used except on write which we don't have .. */ |