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doc: update comments in voljournal

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Update spell errors and comments in
voljournal.go

Signed-off-by: Yug Gupta <yuggupta27@gmail.com>
This commit is contained in:
Yug Gupta 2021-08-05 12:36:01 +05:30 committed by mergify[bot]
parent 4859f2dfdb
commit 1dc032e554
1 changed files with 10 additions and 8 deletions
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18
internal/journal/voljournal.go
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@ -310,7 +310,7 @@ func (conn *Connection) CheckReservation(ctx context.Context,
}
objUUIDAndPool, found := values[cj.csiNameKeyPrefix+reqName]
if !found {
// oamp was read but was missing the desired key-value pair
// omap was read but was missing the desired key-value pair
// stop processing but without an error for no reservation exists
return nil, nil
}
@ -459,9 +459,9 @@ func (conn *Connection) UndoReservation(ctx context.Context,
// reserveOMapName creates an omap with passed in oMapNamePrefix and a
// generated <uuid>. If the passed volUUID is not empty it will use it instead
// of generating its own UUID and it will return an error immediately if omap
// already exists.if the passed volUUID is empty It ensures generated omap name
// already exists. If the passed volUUID is empty, it ensures generated omap name
// does not already exist and if conflicts are detected, a set number of
// retires with newer uuids are attempted before returning an error.
// retries with newer uuids are attempted before returning an error.
func reserveOMapName(
ctx context.Context,
monitors string,
@ -482,7 +482,7 @@ func reserveOMapName(
err := util.CreateObject(ctx, monitors, cr, pool, namespace, oMapNamePrefix+iterUUID)
if err != nil {
// if the volUUID is empty continue with retry as consumer of this
// function doesn't requested to create object with specific value.
// function didn't request to create object with specific value.
if volUUID == "" && errors.Is(err, util.ErrObjectExists) {
attempt++
// try again with a different uuid, for maxAttempts tries
@ -514,16 +514,15 @@ held, to prevent parallel operations from modifying the state of the omaps for t
Input arguments:
- journalPool: Pool where the CSI journal is stored (maybe different than the pool where the
image/subvolume is created duw to topology constraints)
image/subvolume is created due to topology constraints)
- journalPoolID: pool ID of the journalPool
- imagePool: Pool where the image/subvolume is created
- imagePoolID: pool ID of the imagePool
- reqName: Name of the volume request received
- namePrefix: Prefix to use when generating the image/subvolume name (suffix is an auto-genetated UUID)
- namePrefix: Prefix to use when generating the image/subvolume name (suffix is an auto-generated UUID)
- parentName: Name of the parent image/subvolume if reservation is for a snapshot (optional)
- kmsConf: Name of the key management service used to encrypt the image (optional)
- volUUID: UUID need to be reserved instead of auto-generating one (this is
useful for mirroring and metro-DR)
- volUUID: UUID need to be reserved instead of auto-generating one (this is useful for mirroring and metro-DR)
- owner: the owner of the volume (optional)
Return values:
@ -581,6 +580,9 @@ func (conn *Connection) ReserveName(ctx context.Context,
nameKeyVal = volUUID
}
// After generating the UUID Directory omap, we populate the csiDirectory
// omap with a key-value entry to map the request to the backend volume:
// `csiNameKeyPrefix + reqName: nameKeyVal`
err = setOMapKeys(ctx, conn, journalPool, cj.namespace, cj.csiDirectory,
map[string]string{cj.csiNameKeyPrefix + reqName: nameKeyVal})
if err != nil {