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fat: convert to new timestamp accessors

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Convert to using the new inode timestamp accessor functions.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20231004185347.80880-35-jlayton@kernel.org
Tested-by: Klara Modin <klarasmodin@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton 2023-10-04 14:52:22 -04:00 committed by Christian Brauner
parent 11cc6426ad
commit daaf2bf039
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 20 additions and 11 deletions
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25
fs/fat/inode.c
View File

@ -512,6 +512,7 @@ static int fat_validate_dir(struct inode *dir)
int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
{
struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
struct timespec64 mtime;
int error;
MSDOS_I(inode)->i_pos = 0;
@ -561,14 +562,18 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
inode->i_blocks = ((inode->i_size + (sbi->cluster_size - 1))
& ~((loff_t)sbi->cluster_size - 1)) >> 9;
fat_time_fat2unix(sbi, &inode->i_mtime, de->time, de->date, 0);
inode_set_ctime_to_ts(inode, inode->i_mtime);
fat_time_fat2unix(sbi, &mtime, de->time, de->date, 0);
inode_set_mtime_to_ts(inode, mtime);
inode_set_ctime_to_ts(inode, mtime);
if (sbi->options.isvfat) {
fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0);
struct timespec64 atime;
fat_time_fat2unix(sbi, &atime, 0, de->adate, 0);
inode_set_atime_to_ts(inode, atime);
fat_time_fat2unix(sbi, &MSDOS_I(inode)->i_crtime, de->ctime,
de->cdate, de->ctime_cs);
} else
inode->i_atime = fat_truncate_atime(sbi, &inode->i_mtime);
inode_set_atime_to_ts(inode, fat_truncate_atime(sbi, &mtime));
return 0;
}
@ -849,6 +854,7 @@ static int __fat_write_inode(struct inode *inode, int wait)
struct msdos_sb_info *sbi = MSDOS_SB(sb);
struct buffer_head *bh;
struct msdos_dir_entry *raw_entry;
struct timespec64 mtime;
loff_t i_pos;
sector_t blocknr;
int err, offset;
@ -882,12 +888,14 @@ static int __fat_write_inode(struct inode *inode, int wait)
raw_entry->size = cpu_to_le32(inode->i_size);
raw_entry->attr = fat_make_attrs(inode);
fat_set_start(raw_entry, MSDOS_I(inode)->i_logstart);
fat_time_unix2fat(sbi, &inode->i_mtime, &raw_entry->time,
mtime = inode_get_mtime(inode);
fat_time_unix2fat(sbi, &mtime, &raw_entry->time,
&raw_entry->date, NULL);
if (sbi->options.isvfat) {
struct timespec64 ts = inode_get_atime(inode);
__le16 atime;
fat_time_unix2fat(sbi, &inode->i_atime, &atime,
&raw_entry->adate, NULL);
fat_time_unix2fat(sbi, &ts, &atime, &raw_entry->adate, NULL);
fat_time_unix2fat(sbi, &MSDOS_I(inode)->i_crtime, &raw_entry->ctime,
&raw_entry->cdate, &raw_entry->ctime_cs);
}
@ -1407,7 +1415,8 @@ static int fat_read_root(struct inode *inode)
MSDOS_I(inode)->mmu_private = inode->i_size;
fat_save_attrs(inode, ATTR_DIR);
inode->i_mtime = inode->i_atime = inode_set_ctime(inode, 0, 0);
inode_set_mtime_to_ts(inode,
inode_set_atime_to_ts(inode, inode_set_ctime(inode, 0, 0)));
set_nlink(inode, fat_subdirs(inode)+2);
return 0;

6
fs/fat/misc.c
View File

@ -325,15 +325,15 @@ int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags)
}
if (flags & S_ATIME)
inode->i_atime = fat_truncate_atime(sbi, now);
inode_set_atime_to_ts(inode, fat_truncate_atime(sbi, now));
/*
* ctime and mtime share the same on-disk field, and should be
* identical in memory. all mtime updates will be applied to ctime,
* but ctime updates are ignored.
*/
if (flags & S_MTIME)
inode->i_mtime = inode_set_ctime_to_ts(inode,
fat_truncate_mtime(sbi, now));
inode_set_mtime_to_ts(inode,
inode_set_ctime_to_ts(inode, fat_truncate_mtime(sbi, now)));
return 0;
}