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Overview
| Comment: | Do not set device-capabilities flags SEQUENTIAL or SAFE_APPEND for f2fs file-systems. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | batch-atomic-write |
| Files: | files | file ages | folders |
| SHA3-256: |
4477e60cd801dab7a8aec12c5bc5e81e |
| User & Date: | dan 2017-07-27 18:34:00 |
Context
|
2017-07-28
| ||
| 01:53 | Add the SQLITE_ENABLE_BATCH_ATOMIC_WRITE macro to ctime.c check-in: 67bad7fb user: drh tags: batch-atomic-write | |
|
2017-07-27
| ||
| 18:34 | Do not set device-capabilities flags SEQUENTIAL or SAFE_APPEND for f2fs file-systems. check-in: 4477e60c user: dan tags: batch-atomic-write | |
|
2017-07-22
| ||
| 20:12 | Add a test for the outcome of a process crash within an xWrite VFS method call. check-in: eb871800 user: dan tags: batch-atomic-write | |
Changes
Changes to src/os_unix.c.
3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 |
#if defined(__linux__) && defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
int res;
u32 f = 0;
/* Check for support for F2FS atomic batch writes. */
res = osIoctl(pFd->h, F2FS_IOC_GET_FEATURES, &f);
if( res==0 && (f & F2FS_FEATURE_ATOMIC_WRITE) ){
pFd->deviceCharacteristics =
SQLITE_IOCAP_BATCH_ATOMIC |
SQLITE_IOCAP_ATOMIC |
SQLITE_IOCAP_SEQUENTIAL |
SQLITE_IOCAP_SAFE_APPEND;
}
#endif /* __linux__ && SQLITE_ENABLE_BATCH_ATOMIC_WRITE */
/* Set the POWERSAFE_OVERWRITE flag if requested. */
if( pFd->ctrlFlags & UNIXFILE_PSOW ){
pFd->deviceCharacteristics |= SQLITE_IOCAP_POWERSAFE_OVERWRITE;
}
|
| < < < < |
3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 |
#if defined(__linux__) && defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
int res;
u32 f = 0;
/* Check for support for F2FS atomic batch writes. */
res = osIoctl(pFd->h, F2FS_IOC_GET_FEATURES, &f);
if( res==0 && (f & F2FS_FEATURE_ATOMIC_WRITE) ){
pFd->deviceCharacteristics = SQLITE_IOCAP_BATCH_ATOMIC;
}
#endif /* __linux__ && SQLITE_ENABLE_BATCH_ATOMIC_WRITE */
/* Set the POWERSAFE_OVERWRITE flag if requested. */
if( pFd->ctrlFlags & UNIXFILE_PSOW ){
pFd->deviceCharacteristics |= SQLITE_IOCAP_POWERSAFE_OVERWRITE;
}
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